208590920

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{22381}}^1$

素因数の和:22625

約数の個数: 32

約数和(自身を含む): 471364920

約数和(自身を除く): 262774000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 22381, 44762, 89524, 111905, 179048, 223810, 447620, 895240, 5214773, 10429546, 20859092, 26073865, 41718184, 52147730, 104295460, 208590920]

約数ペア:

[(1, 208590920), (2, 104295460), (4, 52147730), (5, 41718184), (8, 26073865), (10, 20859092), (20, 10429546), (40, 5214773), (233, 895240), (466, 447620), (932, 223810), (1165, 179048), (1864, 111905), (2330, 89524), (4660, 44762), (9320, 22381)]