149045660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181763}}^1$

素因数の和:181813

約数の個数: 24

約数和(自身を含む): 320631696

約数和(自身を除く): 171586036

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 181763, 363526, 727052, 908815, 1817630, 3635260, 7452283, 14904566, 29809132, 37261415, 74522830, 149045660]

約数ペア:

[(1, 149045660), (2, 74522830), (4, 37261415), (5, 29809132), (10, 14904566), (20, 7452283), (41, 3635260), (82, 1817630), (164, 908815), (205, 727052), (410, 363526), (820, 181763)]