211897240

素因数分解:

$2^3\times 5^1\times {\mathrm{5297431}}^1$

素因数の和:5297442

約数の個数: 16

約数和(自身を含む): 476768880

約数和(自身を除く): 264871640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5297431, 10594862, 21189724, 26487155, 42379448, 52974310, 105948620, 211897240]

約数ペア:

[(1, 211897240), (2, 105948620), (4, 52974310), (5, 42379448), (8, 26487155), (10, 21189724), (20, 10594862), (40, 5297431)]