148966640

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4423}}^1$

素因数の和:4857

約数の個数: 40

約数和(自身を含む): 347248608

約数和(自身を除く): 198281968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 4423, 6736, 8420, 8846, 16840, 17692, 22115, 33680, 35384, 44230, 70768, 88460, 176920, 353840, 1862083, 3724166, 7448332, 9310415, 14896664, 18620830, 29793328, 37241660, 74483320, 148966640]

約数ペア:

[(1, 148966640), (2, 74483320), (4, 37241660), (5, 29793328), (8, 18620830), (10, 14896664), (16, 9310415), (20, 7448332), (40, 3724166), (80, 1862083), (421, 353840), (842, 176920), (1684, 88460), (2105, 70768), (3368, 44230), (4210, 35384), (4423, 33680), (6736, 22115), (8420, 17692), (8846, 16840)]