140145800

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{3557}}^1$

素因数の和:3770

約数の個数: 48

約数和(自身を含む): 327585060

約数和(自身を除く): 187439260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 3557, 3940, 4925, 7114, 7880, 9850, 14228, 17785, 19700, 28456, 35570, 39400, 71140, 88925, 142280, 177850, 355700, 700729, 711400, 1401458, 2802916, 3503645, 5605832, 7007290, 14014580, 17518225, 28029160, 35036450, 70072900, 140145800]

約数ペア:

[(1, 140145800), (2, 70072900), (4, 35036450), (5, 28029160), (8, 17518225), (10, 14014580), (20, 7007290), (25, 5605832), (40, 3503645), (50, 2802916), (100, 1401458), (197, 711400), (200, 700729), (394, 355700), (788, 177850), (985, 142280), (1576, 88925), (1970, 71140), (3557, 39400), (3940, 35570), (4925, 28456), (7114, 19700), (7880, 17785), (9850, 14228)]