239835380

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{71807}}^1$

素因数の和:71983

約数の個数: 24

約数和(自身を含む): 506677248

約数和(自身を除く): 266841868

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 71807, 143614, 287228, 359035, 718070, 1436140, 11991769, 23983538, 47967076, 59958845, 119917690, 239835380]

約数ペア:

[(1, 239835380), (2, 119917690), (4, 59958845), (5, 47967076), (10, 23983538), (20, 11991769), (167, 1436140), (334, 718070), (668, 359035), (835, 287228), (1670, 143614), (3340, 71807)]