1000578280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 2489356800

約数和(自身を除く): 1488778520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 97, 104, 130, 166, 194, 239, 260, 332, 388, 415, 478, 485, 520, 664, 776, 830, 956, 970, 1079, 1195, 1261, 1660, 1912, 1940, 2158, 2390, 2522, 3107, 3320, 3880, 4316, 4780, 5044, 5395, 6214, 6305, 8051, 8632, 9560, 10088, 10790, 12428, 12610, 15535, 16102, 19837, 21580, 23183, 24856, 25220, 31070, 32204, 39674, 40255, 43160, 46366, 50440, 62140, 64408, 79348, 80510, 92732, 99185, 104663, 115915, 124280, 158696, 161020, 185464, 198370, 209326, 231830, 257881, 301379, 322040, 396740, 418652, 463660, 515762, 523315, 602758, 793480, 837304, 927320, 1031524, 1046630, 1205516, 1289405, 1506895, 1924189, 2063048, 2093260, 2411032, 2578810, 3013790, 3848378, 4186520, 5157620, 6027580, 7696756, 9620945, 10315240, 12055160, 15393512, 19241890, 25014457, 38483780, 50028914, 76967560, 100057828, 125072285, 200115656, 250144570, 500289140, 1000578280]

約数ペア:

[(1, 1000578280), (2, 500289140), (4, 250144570), (5, 200115656), (8, 125072285), (10, 100057828), (13, 76967560), (20, 50028914), (26, 38483780), (40, 25014457), (52, 19241890), (65, 15393512), (83, 12055160), (97, 10315240), (104, 9620945), (130, 7696756), (166, 6027580), (194, 5157620), (239, 4186520), (260, 3848378), (332, 3013790), (388, 2578810), (415, 2411032), (478, 2093260), (485, 2063048), (520, 1924189), (664, 1506895), (776, 1289405), (830, 1205516), (956, 1046630), (970, 1031524), (1079, 927320), (1195, 837304), (1261, 793480), (1660, 602758), (1912, 523315), (1940, 515762), (2158, 463660), (2390, 418652), (2522, 396740), (3107, 322040), (3320, 301379), (3880, 257881), (4316, 231830), (4780, 209326), (5044, 198370), (5395, 185464), (6214, 161020), (6305, 158696), (8051, 124280), (8632, 115915), (9560, 104663), (10088, 99185), (10790, 92732), (12428, 80510), (12610, 79348), (15535, 64408), (16102, 62140), (19837, 50440), (21580, 46366), (23183, 43160), (24856, 40255), (25220, 39674), (31070, 32204)]