149395640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{100943}}^1$

素因数の和:100991

約数の個数: 32

約数和(自身を含む): 345228480

約数和(自身を除く): 195832840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 100943, 201886, 403772, 504715, 807544, 1009430, 2018860, 3734891, 4037720, 7469782, 14939564, 18674455, 29879128, 37348910, 74697820, 149395640]

約数ペア:

[(1, 149395640), (2, 74697820), (4, 37348910), (5, 29879128), (8, 18674455), (10, 14939564), (20, 7469782), (37, 4037720), (40, 3734891), (74, 2018860), (148, 1009430), (185, 807544), (296, 504715), (370, 403772), (740, 201886), (1480, 100943)]