40999980

素因数分解:

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

素因数の和:164

約数の個数: 192

約数和(自身を含む): 140378112

約数和(自身を除く): 99378132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 47, 60, 62, 67, 70, 84, 93, 94, 105, 124, 134, 140, 141, 155, 186, 188, 201, 210, 217, 235, 268, 282, 310, 329, 335, 372, 402, 420, 434, 465, 469, 470, 564, 620, 651, 658, 670, 705, 804, 868, 930, 938, 940, 987, 1005, 1085, 1302, 1316, 1340, 1407, 1410, 1457, 1645, 1860, 1876, 1974, 2010, 2077, 2170, 2345, 2604, 2814, 2820, 2914, 3149, 3255, 3290, 3948, 4020, 4154, 4340, 4371, 4690, 4935, 5628, 5828, 6231, 6298, 6510, 6580, 7035, 7285, 8308, 8742, 9380, 9447, 9870, 10199, 10385, 12462, 12596, 13020, 14070, 14539, 14570, 15745, 17484, 18894, 19740, 20398, 20770, 21855, 22043, 24924, 28140, 29078, 29140, 30597, 31155, 31490, 37788, 40796, 41540, 43617, 43710, 44086, 47235, 50995, 58156, 61194, 62310, 62980, 66129, 72695, 87234, 87420, 88172, 94470, 97619, 101990, 110215, 122388, 124620, 132258, 145390, 152985, 174468, 188940, 195238, 203980, 218085, 220430, 264516, 290780, 292857, 305970, 330645, 390476, 436170, 440860, 488095, 585714, 611940, 661290, 683333, 872340, 976190, 1171428, 1322580, 1366666, 1464285, 1952380, 2049999, 2733332, 2928570, 3416665, 4099998, 5857140, 6833330, 8199996, 10249995, 13666660, 20499990, 40999980]

約数ペア:

[(1, 40999980), (2, 20499990), (3, 13666660), (4, 10249995), (5, 8199996), (6, 6833330), (7, 5857140), (10, 4099998), (12, 3416665), (14, 2928570), (15, 2733332), (20, 2049999), (21, 1952380), (28, 1464285), (30, 1366666), (31, 1322580), (35, 1171428), (42, 976190), (47, 872340), (60, 683333), (62, 661290), (67, 611940), (70, 585714), (84, 488095), (93, 440860), (94, 436170), (105, 390476), (124, 330645), (134, 305970), (140, 292857), (141, 290780), (155, 264516), (186, 220430), (188, 218085), (201, 203980), (210, 195238), (217, 188940), (235, 174468), (268, 152985), (282, 145390), (310, 132258), (329, 124620), (335, 122388), (372, 110215), (402, 101990), (420, 97619), (434, 94470), (465, 88172), (469, 87420), (470, 87234), (564, 72695), (620, 66129), (651, 62980), (658, 62310), (670, 61194), (705, 58156), (804, 50995), (868, 47235), (930, 44086), (938, 43710), (940, 43617), (987, 41540), (1005, 40796), (1085, 37788), (1302, 31490), (1316, 31155), (1340, 30597), (1407, 29140), (1410, 29078), (1457, 28140), (1645, 24924), (1860, 22043), (1876, 21855), (1974, 20770), (2010, 20398), (2077, 19740), (2170, 18894), (2345, 17484), (2604, 15745), (2814, 14570), (2820, 14539), (2914, 14070), (3149, 13020), (3255, 12596), (3290, 12462), (3948, 10385), (4020, 10199), (4154, 9870), (4340, 9447), (4371, 9380), (4690, 8742), (4935, 8308), (5628, 7285), (5828, 7035), (6231, 6580), (6298, 6510)]