315976360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4391}}^1$

素因数の和:4666

約数の個数: 64

約数和(自身を含む): 815857920

約数和(自身を除く): 499881560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 1028, 1285, 1799, 2056, 2570, 3598, 4391, 5140, 7196, 8782, 8995, 10280, 14392, 17564, 17990, 21955, 30737, 35128, 35980, 43910, 61474, 71960, 87820, 122948, 153685, 175640, 245896, 307370, 614740, 1128487, 1229480, 2256974, 4513948, 5642435, 7899409, 9027896, 11284870, 15798818, 22569740, 31597636, 39497045, 45139480, 63195272, 78994090, 157988180, 315976360]

約数ペア:

[(1, 315976360), (2, 157988180), (4, 78994090), (5, 63195272), (7, 45139480), (8, 39497045), (10, 31597636), (14, 22569740), (20, 15798818), (28, 11284870), (35, 9027896), (40, 7899409), (56, 5642435), (70, 4513948), (140, 2256974), (257, 1229480), (280, 1128487), (514, 614740), (1028, 307370), (1285, 245896), (1799, 175640), (2056, 153685), (2570, 122948), (3598, 87820), (4391, 71960), (5140, 61474), (7196, 43910), (8782, 35980), (8995, 35128), (10280, 30737), (14392, 21955), (17564, 17990)]