63461980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 137823840

約数和(自身を除く): 74361860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 677, 860, 1090, 1354, 2180, 2708, 3385, 4687, 6770, 9374, 13540, 18748, 23435, 29111, 46870, 58222, 73793, 93740, 116444, 145555, 147586, 291110, 295172, 368965, 582220, 737930, 1475860, 3173099, 6346198, 12692396, 15865495, 31730990, 63461980]

約数ペア:

[(1, 63461980), (2, 31730990), (4, 15865495), (5, 12692396), (10, 6346198), (20, 3173099), (43, 1475860), (86, 737930), (109, 582220), (172, 368965), (215, 295172), (218, 291110), (430, 147586), (436, 145555), (545, 116444), (677, 93740), (860, 73793), (1090, 58222), (1354, 46870), (2180, 29111), (2708, 23435), (3385, 18748), (4687, 13540), (6770, 9374)]