486586280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{3581}}^1$

素因数の和:3714

約数の個数: 64

約数和(自身を含む): 1134777600

約数和(自身を除く): 648191320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 316, 344, 395, 430, 632, 790, 860, 1580, 1720, 3160, 3397, 3581, 6794, 7162, 13588, 14324, 16985, 17905, 27176, 28648, 33970, 35810, 67940, 71620, 135880, 143240, 153983, 282899, 307966, 565798, 615932, 769915, 1131596, 1231864, 1414495, 1539830, 2263192, 2828990, 3079660, 5657980, 6159320, 11315960, 12164657, 24329314, 48658628, 60823285, 97317256, 121646570, 243293140, 486586280]

約数ペア:

[(1, 486586280), (2, 243293140), (4, 121646570), (5, 97317256), (8, 60823285), (10, 48658628), (20, 24329314), (40, 12164657), (43, 11315960), (79, 6159320), (86, 5657980), (158, 3079660), (172, 2828990), (215, 2263192), (316, 1539830), (344, 1414495), (395, 1231864), (430, 1131596), (632, 769915), (790, 615932), (860, 565798), (1580, 307966), (1720, 282899), (3160, 153983), (3397, 143240), (3581, 135880), (6794, 71620), (7162, 67940), (13588, 35810), (14324, 33970), (16985, 28648), (17905, 27176)]