428083780

素因数分解:

$2^2\times 5^1\times {\mathrm{2339}}^1\times {\mathrm{9151}}^1$

素因数の和:11499

約数の個数: 24

約数和(自身を含む): 899458560

約数和(自身を除く): 471374780

約数列:

[1, 2, 4, 5, 10, 20, 2339, 4678, 9151, 9356, 11695, 18302, 23390, 36604, 45755, 46780, 91510, 183020, 21404189, 42808378, 85616756, 107020945, 214041890, 428083780]

約数ペア:

[(1, 428083780), (2, 214041890), (4, 107020945), (5, 85616756), (10, 42808378), (20, 21404189), (2339, 183020), (4678, 91510), (9151, 46780), (9356, 45755), (11695, 36604), (18302, 23390)]