145470820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661231}}^1$

素因数の和:661251

約数の個数: 24

約数和(自身を含む): 333260928

約数和(自身を除く): 187790108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 661231, 1322462, 2644924, 3306155, 6612310, 7273541, 13224620, 14547082, 29094164, 36367705, 72735410, 145470820]

約数ペア:

[(1, 145470820), (2, 72735410), (4, 36367705), (5, 29094164), (10, 14547082), (11, 13224620), (20, 7273541), (22, 6612310), (44, 3306155), (55, 2644924), (110, 1322462), (220, 661231)]