70120180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 163808568

約数和(自身を除く): 93688388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 197, 260, 370, 394, 481, 740, 788, 962, 985, 1369, 1924, 1970, 2405, 2561, 2738, 3940, 4810, 5122, 5476, 6845, 7289, 9620, 10244, 12805, 13690, 14578, 17797, 25610, 27380, 29156, 35594, 36445, 51220, 71188, 72890, 88985, 94757, 145780, 177970, 189514, 269693, 355940, 379028, 473785, 539386, 947570, 1078772, 1348465, 1895140, 2696930, 3506009, 5393860, 7012018, 14024036, 17530045, 35060090, 70120180]

約数ペア:

[(1, 70120180), (2, 35060090), (4, 17530045), (5, 14024036), (10, 7012018), (13, 5393860), (20, 3506009), (26, 2696930), (37, 1895140), (52, 1348465), (65, 1078772), (74, 947570), (130, 539386), (148, 473785), (185, 379028), (197, 355940), (260, 269693), (370, 189514), (394, 177970), (481, 145780), (740, 94757), (788, 88985), (962, 72890), (985, 71188), (1369, 51220), (1924, 36445), (1970, 35594), (2405, 29156), (2561, 27380), (2738, 25610), (3940, 17797), (4810, 14578), (5122, 13690), (5476, 12805), (6845, 10244), (7289, 9620)]