251155240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{896983}}^1$

素因数の和:897001

約数の個数: 32

約数和(自身を含む): 645828480

約数和(自身を除く): 394673240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 896983, 1793966, 3587932, 4484915, 6278881, 7175864, 8969830, 12557762, 17939660, 25115524, 31394405, 35879320, 50231048, 62788810, 125577620, 251155240]

約数ペア:

[(1, 251155240), (2, 125577620), (4, 62788810), (5, 50231048), (7, 35879320), (8, 31394405), (10, 25115524), (14, 17939660), (20, 12557762), (28, 8969830), (35, 7175864), (40, 6278881), (56, 4484915), (70, 3587932), (140, 1793966), (280, 896983)]