315036020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1211677}}^1$

素因数の和:1211699

約数の個数: 24

約数和(自身を含む): 712466664

約数和(自身を除く): 397430644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1211677, 2423354, 4846708, 6058385, 12116770, 15751801, 24233540, 31503602, 63007204, 78759005, 157518010, 315036020]

約数ペア:

[(1, 315036020), (2, 157518010), (4, 78759005), (5, 63007204), (10, 31503602), (13, 24233540), (20, 15751801), (26, 12116770), (52, 6058385), (65, 4846708), (130, 2423354), (260, 1211677)]