208057640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4987}}^1$

素因数の和:5154

約数の個数: 64

約数和(自身を含む): 538704000

約数和(自身を除く): 330646360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 4987, 5215, 5960, 8344, 9974, 10430, 19948, 20860, 24935, 34909, 39896, 41720, 49870, 69818, 99740, 139636, 174545, 199480, 279272, 349090, 698180, 743063, 1396360, 1486126, 2972252, 3715315, 5201441, 5944504, 7430630, 10402882, 14861260, 20805764, 26007205, 29722520, 41611528, 52014410, 104028820, 208057640]

約数ペア:

[(1, 208057640), (2, 104028820), (4, 52014410), (5, 41611528), (7, 29722520), (8, 26007205), (10, 20805764), (14, 14861260), (20, 10402882), (28, 7430630), (35, 5944504), (40, 5201441), (56, 3715315), (70, 2972252), (140, 1486126), (149, 1396360), (280, 743063), (298, 698180), (596, 349090), (745, 279272), (1043, 199480), (1192, 174545), (1490, 139636), (2086, 99740), (2980, 69818), (4172, 49870), (4987, 41720), (5215, 39896), (5960, 34909), (8344, 24935), (9974, 20860), (10430, 19948)]