149712890

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{35731}}^1$

素因数の和:36157

約数の個数: 16

約数和(自身を含む): 270133920

約数和(自身を除く): 120421030

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 35731, 71462, 178655, 357310, 14971289, 29942578, 74856445, 149712890]

約数ペア:

[(1, 149712890), (2, 74856445), (5, 29942578), (10, 14971289), (419, 357310), (838, 178655), (2095, 71462), (4190, 35731)]