451139380

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{21101}}^1$

素因数の和:22179

約数の個数: 24

約数和(自身を含む): 948323880

約数和(自身を除く): 497184500

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 4276, 5345, 10690, 21101, 21380, 42202, 84404, 105505, 211010, 422020, 22556969, 45113938, 90227876, 112784845, 225569690, 451139380]

約数ペア:

[(1, 451139380), (2, 225569690), (4, 112784845), (5, 90227876), (10, 45113938), (20, 22556969), (1069, 422020), (2138, 211010), (4276, 105505), (5345, 84404), (10690, 42202), (21101, 21380)]