291260920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251087}}^1$

素因数の和:251127

約数の個数: 32

約数和(自身を含む): 677937600

約数和(自身を除く): 386676680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 251087, 502174, 1004348, 1255435, 2008696, 2510870, 5021740, 7281523, 10043480, 14563046, 29126092, 36407615, 58252184, 72815230, 145630460, 291260920]

約数ペア:

[(1, 291260920), (2, 145630460), (4, 72815230), (5, 58252184), (8, 36407615), (10, 29126092), (20, 14563046), (29, 10043480), (40, 7281523), (58, 5021740), (116, 2510870), (145, 2008696), (232, 1255435), (290, 1004348), (580, 502174), (1160, 251087)]