828980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 1758120

約数和(自身を除く): 929140

約数列:

[1, 2, 4, 5, 10, 20, 181, 229, 362, 458, 724, 905, 916, 1145, 1810, 2290, 3620, 4580, 41449, 82898, 165796, 207245, 414490, 828980]

約数ペア:

[(1, 828980), (2, 414490), (4, 207245), (5, 165796), (10, 82898), (20, 41449), (181, 4580), (229, 3620), (362, 2290), (458, 1810), (724, 1145), (905, 916)]