42400225

素因数分解:

$5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3319}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 60928640

約数和(自身を除く): 18528415

約数列:

[1, 5, 7, 25, 35, 73, 175, 365, 511, 1825, 2555, 3319, 12775, 16595, 23233, 82975, 116165, 242287, 580825, 1211435, 1696009, 6057175, 8480045, 42400225]

約数ペア:

[(1, 42400225), (5, 8480045), (7, 6057175), (25, 1696009), (35, 1211435), (73, 580825), (175, 242287), (365, 116165), (511, 82975), (1825, 23233), (2555, 16595), (3319, 12775)]