123805940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199687}}^1$

素因数の和:199727

約数の個数: 24

約数和(自身を含む): 268380672

約数和(自身を除く): 144574732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 199687, 399374, 798748, 998435, 1996870, 3993740, 6190297, 12380594, 24761188, 30951485, 61902970, 123805940]

約数ペア:

[(1, 123805940), (2, 61902970), (4, 30951485), (5, 24761188), (10, 12380594), (20, 6190297), (31, 3993740), (62, 1996870), (124, 998435), (155, 798748), (310, 399374), (620, 199687)]