100777640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 234954000

約数和(自身を除く): 134176360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 149, 185, 296, 298, 370, 457, 596, 740, 745, 914, 1192, 1480, 1490, 1828, 2285, 2980, 3656, 4570, 5513, 5960, 9140, 11026, 16909, 18280, 22052, 27565, 33818, 44104, 55130, 67636, 68093, 84545, 110260, 135272, 136186, 169090, 220520, 272372, 338180, 340465, 544744, 676360, 680930, 1361860, 2519441, 2723720, 5038882, 10077764, 12597205, 20155528, 25194410, 50388820, 100777640]

約数ペア:

[(1, 100777640), (2, 50388820), (4, 25194410), (5, 20155528), (8, 12597205), (10, 10077764), (20, 5038882), (37, 2723720), (40, 2519441), (74, 1361860), (148, 680930), (149, 676360), (185, 544744), (296, 340465), (298, 338180), (370, 272372), (457, 220520), (596, 169090), (740, 136186), (745, 135272), (914, 110260), (1192, 84545), (1480, 68093), (1490, 67636), (1828, 55130), (2285, 44104), (2980, 33818), (3656, 27565), (4570, 22052), (5513, 18280), (5960, 16909), (9140, 11026)]