311072540

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{145361}}^1$

素因数の和:145477

約数の個数: 24

約数和(自身を含む): 659362032

約数和(自身を除く): 348289492

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 145361, 290722, 581444, 726805, 1453610, 2907220, 15553627, 31107254, 62214508, 77768135, 155536270, 311072540]

約数ペア:

[(1, 311072540), (2, 155536270), (4, 77768135), (5, 62214508), (10, 31107254), (20, 15553627), (107, 2907220), (214, 1453610), (428, 726805), (535, 581444), (1070, 290722), (2140, 145361)]