2008999020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 384

約数和(自身を含む): 7018905600

約数和(自身を除く): 5009906580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 47, 49, 60, 62, 67, 70, 84, 93, 94, 98, 105, 124, 134, 140, 141, 147, 155, 186, 188, 196, 201, 210, 217, 235, 245, 268, 282, 294, 310, 329, 335, 343, 372, 402, 420, 434, 465, 469, 470, 490, 564, 588, 620, 651, 658, 670, 686, 705, 735, 804, 868, 930, 938, 940, 980, 987, 1005, 1029, 1085, 1302, 1316, 1340, 1372, 1407, 1410, 1457, 1470, 1519, 1645, 1715, 1860, 1876, 1974, 2010, 2058, 2077, 2170, 2303, 2345, 2604, 2814, 2820, 2914, 2940, 3038, 3149, 3255, 3283, 3290, 3430, 3948, 4020, 4116, 4154, 4340, 4371, 4557, 4606, 4690, 4935, 5145, 5628, 5828, 6076, 6231, 6298, 6510, 6566, 6580, 6860, 6909, 7035, 7285, 7595, 8308, 8742, 9114, 9212, 9380, 9447, 9849, 9870, 10199, 10290, 10385, 10633, 11515, 12462, 12596, 13020, 13132, 13818, 14070, 14539, 14570, 15190, 15745, 16121, 16415, 17484, 18228, 18894, 19698, 19740, 20398, 20580, 20770, 21266, 21855, 22043, 22785, 22981, 23030, 24924, 27636, 28140, 29078, 29140, 30380, 30597, 31155, 31490, 31899, 32242, 32830, 34545, 37788, 39396, 40796, 41540, 42532, 43617, 43710, 44086, 45570, 45962, 46060, 47235, 48363, 49245, 50995, 53165, 58156, 61194, 62310, 62980, 63798, 64484, 65660, 66129, 68943, 69090, 71393, 72695, 80605, 87234, 87420, 88172, 91140, 91924, 94470, 96726, 97619, 98490, 101773, 101990, 106330, 110215, 114905, 122388, 124620, 127596, 132258, 137886, 138180, 142786, 145390, 152985, 154301, 159495, 161210, 174468, 188940, 193452, 195238, 196980, 203546, 203980, 212660, 214179, 218085, 220430, 229810, 241815, 264516, 275772, 285572, 290780, 292857, 305319, 305970, 308602, 318990, 322420, 330645, 344715, 356965, 390476, 407092, 428358, 436170, 440860, 459620, 462903, 483630, 488095, 499751, 508865, 585714, 610638, 611940, 617204, 637980, 661290, 683333, 689430, 712411, 713930, 771505, 856716, 872340, 925806, 967260, 976190, 999502, 1017730, 1070895, 1080107, 1171428, 1221276, 1322580, 1366666, 1378860, 1424822, 1427860, 1464285, 1499253, 1526595, 1543010, 1851612, 1952380, 1999004, 2035460, 2049999, 2137233, 2141790, 2160214, 2314515, 2498755, 2733332, 2849644, 2928570, 2998506, 3053190, 3086020, 3240321, 3416665, 3562055, 4099998, 4274466, 4283580, 4320428, 4629030, 4783331, 4997510, 5400535, 5857140, 5997012, 6106380, 6480642, 6833330, 7124110, 7496265, 8199996, 8548932, 9258060, 9566662, 9995020, 10249995, 10686165, 10801070, 12961284, 13666660, 14248220, 14349993, 14992530, 16201605, 19133324, 20499990, 21372330, 21602140, 23916655, 28699986, 29985060, 32403210, 33483317, 40999980, 42744660, 47833310, 57399972, 64806420, 66966634, 71749965, 95666620, 100449951, 133933268, 143499930, 167416585, 200899902, 286999860, 334833170, 401799804, 502249755, 669666340, 1004499510, 2008999020]

約数ペア:

[(1, 2008999020), (2, 1004499510), (3, 669666340), (4, 502249755), (5, 401799804), (6, 334833170), (7, 286999860), (10, 200899902), (12, 167416585), (14, 143499930), (15, 133933268), (20, 100449951), (21, 95666620), (28, 71749965), (30, 66966634), (31, 64806420), (35, 57399972), (42, 47833310), (47, 42744660), (49, 40999980), (60, 33483317), (62, 32403210), (67, 29985060), (70, 28699986), (84, 23916655), (93, 21602140), (94, 21372330), (98, 20499990), (105, 19133324), (124, 16201605), (134, 14992530), (140, 14349993), (141, 14248220), (147, 13666660), (155, 12961284), (186, 10801070), (188, 10686165), (196, 10249995), (201, 9995020), (210, 9566662), (217, 9258060), (235, 8548932), (245, 8199996), (268, 7496265), (282, 7124110), (294, 6833330), (310, 6480642), (329, 6106380), (335, 5997012), (343, 5857140), (372, 5400535), (402, 4997510), (420, 4783331), (434, 4629030), (465, 4320428), (469, 4283580), (470, 4274466), (490, 4099998), (564, 3562055), (588, 3416665), (620, 3240321), (651, 3086020), (658, 3053190), (670, 2998506), (686, 2928570), (705, 2849644), (735, 2733332), (804, 2498755), (868, 2314515), (930, 2160214), (938, 2141790), (940, 2137233), (980, 2049999), (987, 2035460), (1005, 1999004), (1029, 1952380), (1085, 1851612), (1302, 1543010), (1316, 1526595), (1340, 1499253), (1372, 1464285), (1407, 1427860), (1410, 1424822), (1457, 1378860), (1470, 1366666), (1519, 1322580), (1645, 1221276), (1715, 1171428), (1860, 1080107), (1876, 1070895), (1974, 1017730), (2010, 999502), (2058, 976190), (2077, 967260), (2170, 925806), (2303, 872340), (2345, 856716), (2604, 771505), (2814, 713930), (2820, 712411), (2914, 689430), (2940, 683333), (3038, 661290), (3149, 637980), (3255, 617204), (3283, 611940), (3290, 610638), (3430, 585714), (3948, 508865), (4020, 499751), (4116, 488095), (4154, 483630), (4340, 462903), (4371, 459620), (4557, 440860), (4606, 436170), (4690, 428358), (4935, 407092), (5145, 390476), (5628, 356965), (5828, 344715), (6076, 330645), (6231, 322420), (6298, 318990), (6510, 308602), (6566, 305970), (6580, 305319), (6860, 292857), (6909, 290780), (7035, 285572), (7285, 275772), (7595, 264516), (8308, 241815), (8742, 229810), (9114, 220430), (9212, 218085), (9380, 214179), (9447, 212660), (9849, 203980), (9870, 203546), (10199, 196980), (10290, 195238), (10385, 193452), (10633, 188940), (11515, 174468), (12462, 161210), (12596, 159495), (13020, 154301), (13132, 152985), (13818, 145390), (14070, 142786), (14539, 138180), (14570, 137886), (15190, 132258), (15745, 127596), (16121, 124620), (16415, 122388), (17484, 114905), (18228, 110215), (18894, 106330), (19698, 101990), (19740, 101773), (20398, 98490), (20580, 97619), (20770, 96726), (21266, 94470), (21855, 91924), (22043, 91140), (22785, 88172), (22981, 87420), (23030, 87234), (24924, 80605), (27636, 72695), (28140, 71393), (29078, 69090), (29140, 68943), (30380, 66129), (30597, 65660), (31155, 64484), (31490, 63798), (31899, 62980), (32242, 62310), (32830, 61194), (34545, 58156), (37788, 53165), (39396, 50995), (40796, 49245), (41540, 48363), (42532, 47235), (43617, 46060), (43710, 45962), (44086, 45570)]