381490180

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{20357}}^1$

素因数の和:21303

約数の個数: 24

約数和(自身を含む): 802023768

約数和(自身を除く): 420533588

約数列:

[1, 2, 4, 5, 10, 20, 937, 1874, 3748, 4685, 9370, 18740, 20357, 40714, 81428, 101785, 203570, 407140, 19074509, 38149018, 76298036, 95372545, 190745090, 381490180]

約数ペア:

[(1, 381490180), (2, 190745090), (4, 95372545), (5, 76298036), (10, 38149018), (20, 19074509), (937, 407140), (1874, 203570), (3748, 101785), (4685, 81428), (9370, 40714), (18740, 20357)]