727820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 1544928

約数和(自身を除く): 817108

約数列:

[1, 2, 4, 5, 10, 20, 151, 241, 302, 482, 604, 755, 964, 1205, 1510, 2410, 3020, 4820, 36391, 72782, 145564, 181955, 363910, 727820]

約数ペア:

[(1, 727820), (2, 363910), (4, 181955), (5, 145564), (10, 72782), (20, 36391), (151, 4820), (241, 3020), (302, 2410), (482, 1510), (604, 1205), (755, 964)]