557960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 1436400

約数和(自身を除く): 878440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 37, 40, 52, 58, 65, 74, 104, 116, 130, 145, 148, 185, 232, 260, 290, 296, 370, 377, 481, 520, 580, 740, 754, 962, 1073, 1160, 1480, 1508, 1885, 1924, 2146, 2405, 3016, 3770, 3848, 4292, 4810, 5365, 7540, 8584, 9620, 10730, 13949, 15080, 19240, 21460, 27898, 42920, 55796, 69745, 111592, 139490, 278980, 557960]

約数ペア:

[(1, 557960), (2, 278980), (4, 139490), (5, 111592), (8, 69745), (10, 55796), (13, 42920), (20, 27898), (26, 21460), (29, 19240), (37, 15080), (40, 13949), (52, 10730), (58, 9620), (65, 8584), (74, 7540), (104, 5365), (116, 4810), (130, 4292), (145, 3848), (148, 3770), (185, 3016), (232, 2405), (260, 2146), (290, 1924), (296, 1885), (370, 1508), (377, 1480), (481, 1160), (520, 1073), (580, 962), (740, 754)]