417702920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1231}}^1$

素因数の和:1758

約数の個数: 64

約数和(自身を含む): 997920000

約数和(自身を除く): 580217080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 499, 680, 998, 1231, 1996, 2462, 2495, 3992, 4924, 4990, 6155, 8483, 9848, 9980, 12310, 16966, 19960, 20927, 24620, 33932, 41854, 42415, 49240, 67864, 83708, 84830, 104635, 167416, 169660, 209270, 339320, 418540, 614269, 837080, 1228538, 2457076, 3071345, 4914152, 6142690, 10442573, 12285380, 20885146, 24570760, 41770292, 52212865, 83540584, 104425730, 208851460, 417702920]

約数ペア:

[(1, 417702920), (2, 208851460), (4, 104425730), (5, 83540584), (8, 52212865), (10, 41770292), (17, 24570760), (20, 20885146), (34, 12285380), (40, 10442573), (68, 6142690), (85, 4914152), (136, 3071345), (170, 2457076), (340, 1228538), (499, 837080), (680, 614269), (998, 418540), (1231, 339320), (1996, 209270), (2462, 169660), (2495, 167416), (3992, 104635), (4924, 84830), (4990, 83708), (6155, 67864), (8483, 49240), (9848, 42415), (9980, 41854), (12310, 33932), (16966, 24620), (19960, 20927)]