99455380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70039}}^1$

素因数の和:70119

約数の個数: 24

約数和(自身を含む): 211800960

約数和(自身を除く): 112345580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 70039, 140078, 280156, 350195, 700390, 1400780, 4972769, 9945538, 19891076, 24863845, 49727690, 99455380]

約数ペア:

[(1, 99455380), (2, 49727690), (4, 24863845), (5, 19891076), (10, 9945538), (20, 4972769), (71, 1400780), (142, 700390), (284, 350195), (355, 280156), (710, 140078), (1420, 70039)]