243620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 551544

約数和(自身を除く): 307924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 937, 1874, 3748, 4685, 9370, 12181, 18740, 24362, 48724, 60905, 121810, 243620]

約数ペア:

[(1, 243620), (2, 121810), (4, 60905), (5, 48724), (10, 24362), (13, 18740), (20, 12181), (26, 9370), (52, 4685), (65, 3748), (130, 1874), (260, 937)]