420784810

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{532639}}^1$

素因数の和:532725

約数の個数: 16

約数和(自身を含む): 767001600

約数和(自身を除く): 346216790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 532639, 1065278, 2663195, 5326390, 42078481, 84156962, 210392405, 420784810]

約数ペア:

[(1, 420784810), (2, 210392405), (5, 84156962), (10, 42078481), (79, 5326390), (158, 2663195), (395, 1065278), (790, 532639)]