312559640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{40487}}^1$

素因数の和:40691

約数の個数: 32

約数和(自身を含む): 706920480

約数和(自身を除く): 394360840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 40487, 80974, 161948, 202435, 323896, 404870, 809740, 1619480, 7813991, 15627982, 31255964, 39069955, 62511928, 78139910, 156279820, 312559640]

約数ペア:

[(1, 312559640), (2, 156279820), (4, 78139910), (5, 62511928), (8, 39069955), (10, 31255964), (20, 15627982), (40, 7813991), (193, 1619480), (386, 809740), (772, 404870), (965, 323896), (1544, 202435), (1930, 161948), (3860, 80974), (7720, 40487)]