371004820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{261271}}^1$

素因数の和:261351

約数の個数: 24

約数和(自身を含む): 790086528

約数和(自身を除く): 419081708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 261271, 522542, 1045084, 1306355, 2612710, 5225420, 18550241, 37100482, 74200964, 92751205, 185502410, 371004820]

約数ペア:

[(1, 371004820), (2, 185502410), (4, 92751205), (5, 74200964), (10, 37100482), (20, 18550241), (71, 5225420), (142, 2612710), (284, 1306355), (355, 1045084), (710, 522542), (1420, 261271)]