308804560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54367}}^1$

素因数の和:54451

約数の個数: 40

約数和(自身を含む): 728096256

約数和(自身を除く): 419291696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 54367, 108734, 217468, 271835, 434936, 543670, 869872, 1087340, 2174680, 3860057, 4349360, 7720114, 15440228, 19300285, 30880456, 38600570, 61760912, 77201140, 154402280, 308804560]

約数ペア:

[(1, 308804560), (2, 154402280), (4, 77201140), (5, 61760912), (8, 38600570), (10, 30880456), (16, 19300285), (20, 15440228), (40, 7720114), (71, 4349360), (80, 3860057), (142, 2174680), (284, 1087340), (355, 869872), (568, 543670), (710, 434936), (1136, 271835), (1420, 217468), (2840, 108734), (5680, 54367)]