2270140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{509}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 4798080

約数和(自身を除く): 2527940

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 509, 892, 1018, 1115, 2036, 2230, 2545, 4460, 5090, 10180, 113507, 227014, 454028, 567535, 1135070, 2270140]

約数ペア:

[(1, 2270140), (2, 1135070), (4, 567535), (5, 454028), (10, 227014), (20, 113507), (223, 10180), (446, 5090), (509, 4460), (892, 2545), (1018, 2230), (1115, 2036)]