28975240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103483}}^1$

素因数の和:103501

約数の個数: 32

約数和(自身を含む): 74508480

約数和(自身を除く): 45533240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 103483, 206966, 413932, 517415, 724381, 827864, 1034830, 1448762, 2069660, 2897524, 3621905, 4139320, 5795048, 7243810, 14487620, 28975240]

約数ペア:

[(1, 28975240), (2, 14487620), (4, 7243810), (5, 5795048), (7, 4139320), (8, 3621905), (10, 2897524), (14, 2069660), (20, 1448762), (28, 1034830), (35, 827864), (40, 724381), (56, 517415), (70, 413932), (140, 206966), (280, 103483)]