291268850

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 552426696

約数和(自身を除く): 261157846

約数列:

[1, 2, 5, 10, 25, 50, 101, 137, 202, 274, 421, 505, 685, 842, 1010, 1370, 2105, 2525, 3425, 4210, 5050, 6850, 10525, 13837, 21050, 27674, 42521, 57677, 69185, 85042, 115354, 138370, 212605, 288385, 345925, 425210, 576770, 691850, 1063025, 1441925, 2126050, 2883850, 5825377, 11650754, 29126885, 58253770, 145634425, 291268850]

約数ペア:

[(1, 291268850), (2, 145634425), (5, 58253770), (10, 29126885), (25, 11650754), (50, 5825377), (101, 2883850), (137, 2126050), (202, 1441925), (274, 1063025), (421, 691850), (505, 576770), (685, 425210), (842, 345925), (1010, 288385), (1370, 212605), (2105, 138370), (2525, 115354), (3425, 85042), (4210, 69185), (5050, 57677), (6850, 42521), (10525, 27674), (13837, 21050)]