221921320

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{20029}}^1$

素因数の和:20317

約数の個数: 32

約数和(自身を含む): 501150600

約数和(自身を除く): 279229280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 20029, 40058, 80116, 100145, 160232, 200290, 400580, 801160, 5548033, 11096066, 22192132, 27740165, 44384264, 55480330, 110960660, 221921320]

約数ペア:

[(1, 221921320), (2, 110960660), (4, 55480330), (5, 44384264), (8, 27740165), (10, 22192132), (20, 11096066), (40, 5548033), (277, 801160), (554, 400580), (1108, 200290), (1385, 160232), (2216, 100145), (2770, 80116), (5540, 40058), (11080, 20029)]