629925980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{353891}}^1$

素因数の和:353989

約数の個数: 24

約数和(自身を含む): 1337711760

約数和(自身を除く): 707785780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 353891, 707782, 1415564, 1769455, 3538910, 7077820, 31496299, 62992598, 125985196, 157481495, 314962990, 629925980]

約数ペア:

[(1, 629925980), (2, 314962990), (4, 157481495), (5, 125985196), (10, 62992598), (20, 31496299), (89, 7077820), (178, 3538910), (356, 1769455), (445, 1415564), (890, 707782), (1780, 353891)]