319335980

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{10429}}^1$

素因数の和:11969

約数の個数: 24

約数和(自身を含む): 671107920

約数和(自身を除く): 351771940

約数列:

[1, 2, 4, 5, 10, 20, 1531, 3062, 6124, 7655, 10429, 15310, 20858, 30620, 41716, 52145, 104290, 208580, 15966799, 31933598, 63867196, 79833995, 159667990, 319335980]

約数ペア:

[(1, 319335980), (2, 159667990), (4, 79833995), (5, 63867196), (10, 31933598), (20, 15966799), (1531, 208580), (3062, 104290), (6124, 52145), (7655, 41716), (10429, 30620), (15310, 20858)]