284216020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12791}}^1$

素因数の和:12912

約数の個数: 48

約数和(自身を含む): 657611136

約数和(自身を除く): 373395116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 12791, 22220, 25582, 51164, 63955, 127910, 140701, 255820, 281402, 562804, 703505, 1291891, 1407010, 2583782, 2814020, 5167564, 6459455, 12918910, 14210801, 25837820, 28421602, 56843204, 71054005, 142108010, 284216020]

約数ペア:

[(1, 284216020), (2, 142108010), (4, 71054005), (5, 56843204), (10, 28421602), (11, 25837820), (20, 14210801), (22, 12918910), (44, 6459455), (55, 5167564), (101, 2814020), (110, 2583782), (202, 1407010), (220, 1291891), (404, 703505), (505, 562804), (1010, 281402), (1111, 255820), (2020, 140701), (2222, 127910), (4444, 63955), (5555, 51164), (11110, 25582), (12791, 22220)]