488706020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2221391}}^1$

素因数の和:2221411

約数の個数: 24

約数和(自身を含む): 1119581568

約数和(自身を除く): 630875548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2221391, 4442782, 8885564, 11106955, 22213910, 24435301, 44427820, 48870602, 97741204, 122176505, 244353010, 488706020]

約数ペア:

[(1, 488706020), (2, 244353010), (4, 122176505), (5, 97741204), (10, 48870602), (11, 44427820), (20, 24435301), (22, 22213910), (44, 11106955), (55, 8885564), (110, 4442782), (220, 2221391)]