313616980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 668384640

約数和(自身を除く): 354767660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 263, 436, 526, 545, 547, 1052, 1090, 1094, 1315, 2180, 2188, 2630, 2735, 5260, 5470, 10940, 28667, 57334, 59623, 114668, 119246, 143335, 143861, 238492, 286670, 287722, 298115, 573340, 575444, 596230, 719305, 1192460, 1438610, 2877220, 15680849, 31361698, 62723396, 78404245, 156808490, 313616980]

約数ペア:

[(1, 313616980), (2, 156808490), (4, 78404245), (5, 62723396), (10, 31361698), (20, 15680849), (109, 2877220), (218, 1438610), (263, 1192460), (436, 719305), (526, 596230), (545, 575444), (547, 573340), (1052, 298115), (1090, 287722), (1094, 286670), (1315, 238492), (2180, 143861), (2188, 143335), (2630, 119246), (2735, 114668), (5260, 59623), (5470, 57334), (10940, 28667)]