239281160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{54881}}^1$

素因数の和:55001

約数の個数: 32

約数和(自身を含む): 543331800

約数和(自身を除く): 304050640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 54881, 109762, 219524, 274405, 439048, 548810, 1097620, 2195240, 5982029, 11964058, 23928116, 29910145, 47856232, 59820290, 119640580, 239281160]

約数ペア:

[(1, 239281160), (2, 119640580), (4, 59820290), (5, 47856232), (8, 29910145), (10, 23928116), (20, 11964058), (40, 5982029), (109, 2195240), (218, 1097620), (436, 548810), (545, 439048), (872, 274405), (1090, 219524), (2180, 109762), (4360, 54881)]