202129480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721891}}^1$

素因数の和:721909

約数の個数: 32

約数和(自身を含む): 519762240

約数和(自身を除く): 317632760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721891, 1443782, 2887564, 3609455, 5053237, 5775128, 7218910, 10106474, 14437820, 20212948, 25266185, 28875640, 40425896, 50532370, 101064740, 202129480]

約数ペア:

[(1, 202129480), (2, 101064740), (4, 50532370), (5, 40425896), (7, 28875640), (8, 25266185), (10, 20212948), (14, 14437820), (20, 10106474), (28, 7218910), (35, 5775128), (40, 5053237), (56, 3609455), (70, 2887564), (140, 1443782), (280, 721891)]