988406790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 256

約数和(自身を含む): 3016949760

約数和(自身を除く): 2028542970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 57, 61, 62, 70, 93, 95, 105, 114, 122, 131, 133, 155, 183, 186, 190, 210, 217, 262, 266, 285, 305, 310, 366, 393, 399, 427, 434, 465, 570, 589, 610, 651, 655, 665, 786, 798, 854, 915, 917, 930, 1085, 1159, 1178, 1281, 1302, 1310, 1330, 1767, 1830, 1834, 1891, 1965, 1995, 2135, 2170, 2318, 2489, 2562, 2751, 2945, 3255, 3477, 3534, 3782, 3930, 3990, 4061, 4123, 4270, 4585, 4978, 5502, 5673, 5795, 5890, 6405, 6510, 6954, 7467, 7991, 8113, 8122, 8246, 8835, 9170, 9455, 11346, 11590, 12183, 12369, 12445, 12810, 13237, 13755, 14934, 15982, 16226, 17385, 17423, 17670, 18910, 20305, 20615, 23973, 24339, 24366, 24738, 24890, 26474, 27510, 28365, 28427, 34770, 34846, 35929, 37335, 39711, 39955, 40565, 40610, 41230, 47946, 48678, 52269, 55937, 56730, 56854, 60915, 61845, 66185, 71858, 74670, 77159, 79422, 79910, 81130, 85281, 87115, 104538, 107787, 111874, 119865, 121695, 121830, 123690, 132370, 142135, 151829, 154318, 167811, 170562, 174230, 179645, 198555, 215574, 231477, 239730, 243390, 247721, 251503, 261345, 279685, 284270, 303658, 335622, 359290, 385795, 397110, 426405, 455487, 462954, 495442, 503006, 522690, 538935, 540113, 559370, 743163, 754509, 759145, 771590, 839055, 852810, 910974, 1062803, 1077870, 1080226, 1157385, 1238605, 1257515, 1486326, 1509018, 1518290, 1620339, 1678110, 1734047, 2125606, 2277435, 2314770, 2477210, 2515030, 2700565, 3188409, 3240678, 3468094, 3715815, 3772545, 4554870, 4706699, 5202141, 5314015, 5401130, 6376818, 7431630, 7545090, 8101695, 8670235, 9413398, 10404282, 10628030, 14120097, 15942045, 16203390, 17340470, 23533495, 26010705, 28240194, 31884090, 32946893, 47066990, 52021410, 65893786, 70600485, 98840679, 141200970, 164734465, 197681358, 329468930, 494203395, 988406790]

約数ペア:

[(1, 988406790), (2, 494203395), (3, 329468930), (5, 197681358), (6, 164734465), (7, 141200970), (10, 98840679), (14, 70600485), (15, 65893786), (19, 52021410), (21, 47066990), (30, 32946893), (31, 31884090), (35, 28240194), (38, 26010705), (42, 23533495), (57, 17340470), (61, 16203390), (62, 15942045), (70, 14120097), (93, 10628030), (95, 10404282), (105, 9413398), (114, 8670235), (122, 8101695), (131, 7545090), (133, 7431630), (155, 6376818), (183, 5401130), (186, 5314015), (190, 5202141), (210, 4706699), (217, 4554870), (262, 3772545), (266, 3715815), (285, 3468094), (305, 3240678), (310, 3188409), (366, 2700565), (393, 2515030), (399, 2477210), (427, 2314770), (434, 2277435), (465, 2125606), (570, 1734047), (589, 1678110), (610, 1620339), (651, 1518290), (655, 1509018), (665, 1486326), (786, 1257515), (798, 1238605), (854, 1157385), (915, 1080226), (917, 1077870), (930, 1062803), (1085, 910974), (1159, 852810), (1178, 839055), (1281, 771590), (1302, 759145), (1310, 754509), (1330, 743163), (1767, 559370), (1830, 540113), (1834, 538935), (1891, 522690), (1965, 503006), (1995, 495442), (2135, 462954), (2170, 455487), (2318, 426405), (2489, 397110), (2562, 385795), (2751, 359290), (2945, 335622), (3255, 303658), (3477, 284270), (3534, 279685), (3782, 261345), (3930, 251503), (3990, 247721), (4061, 243390), (4123, 239730), (4270, 231477), (4585, 215574), (4978, 198555), (5502, 179645), (5673, 174230), (5795, 170562), (5890, 167811), (6405, 154318), (6510, 151829), (6954, 142135), (7467, 132370), (7991, 123690), (8113, 121830), (8122, 121695), (8246, 119865), (8835, 111874), (9170, 107787), (9455, 104538), (11346, 87115), (11590, 85281), (12183, 81130), (12369, 79910), (12445, 79422), (12810, 77159), (13237, 74670), (13755, 71858), (14934, 66185), (15982, 61845), (16226, 60915), (17385, 56854), (17423, 56730), (17670, 55937), (18910, 52269), (20305, 48678), (20615, 47946), (23973, 41230), (24339, 40610), (24366, 40565), (24738, 39955), (24890, 39711), (26474, 37335), (27510, 35929), (28365, 34846), (28427, 34770)]