320438785

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^2$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 403543296

約数和(自身を除く): 83104511

約数列:

[1, 5, 31, 107, 139, 155, 535, 695, 3317, 4309, 14873, 16585, 19321, 21545, 74365, 96605, 461063, 598951, 2067347, 2305315, 2994755, 10336735, 64087757, 320438785]

約数ペア:

[(1, 320438785), (5, 64087757), (31, 10336735), (107, 2994755), (139, 2305315), (155, 2067347), (535, 598951), (695, 461063), (3317, 96605), (4309, 74365), (14873, 21545), (16585, 19321)]