623669660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{3919}}^1$

素因数の和:4110

約数の個数: 48

約数和(自身を含む): 1340169600

約数和(自身を除く): 716499940

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 218, 292, 365, 436, 545, 730, 1090, 1460, 2180, 3919, 7838, 7957, 15676, 15914, 19595, 31828, 39190, 39785, 78380, 79570, 159140, 286087, 427171, 572174, 854342, 1144348, 1430435, 1708684, 2135855, 2860870, 4271710, 5721740, 8543420, 31183483, 62366966, 124733932, 155917415, 311834830, 623669660]

約数ペア:

[(1, 623669660), (2, 311834830), (4, 155917415), (5, 124733932), (10, 62366966), (20, 31183483), (73, 8543420), (109, 5721740), (146, 4271710), (218, 2860870), (292, 2135855), (365, 1708684), (436, 1430435), (545, 1144348), (730, 854342), (1090, 572174), (1460, 427171), (2180, 286087), (3919, 159140), (7838, 79570), (7957, 78380), (15676, 39785), (15914, 39190), (19595, 31828)]