139123340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{61559}}^1$

素因数の和:61681

約数の個数: 24

約数和(自身を含む): 294749280

約数和(自身を除く): 155625940

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 61559, 123118, 246236, 307795, 615590, 1231180, 6956167, 13912334, 27824668, 34780835, 69561670, 139123340]

約数ペア:

[(1, 139123340), (2, 69561670), (4, 34780835), (5, 27824668), (10, 13912334), (20, 6956167), (113, 1231180), (226, 615590), (452, 307795), (565, 246236), (1130, 123118), (2260, 61559)]