208048460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{146513}}^1$

素因数の和:146593

約数の個数: 24

約数和(自身を含む): 443058336

約数和(自身を除く): 235009876

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 146513, 293026, 586052, 732565, 1465130, 2930260, 10402423, 20804846, 41609692, 52012115, 104024230, 208048460]

約数ペア:

[(1, 208048460), (2, 104024230), (4, 52012115), (5, 41609692), (10, 20804846), (20, 10402423), (71, 2930260), (142, 1465130), (284, 732565), (355, 586052), (710, 293026), (1420, 146513)]