31131310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 37297490

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 89, 95, 133, 178, 190, 263, 266, 445, 526, 623, 665, 890, 1246, 1315, 1330, 1691, 1841, 2630, 3115, 3382, 3682, 4997, 6230, 8455, 9205, 9994, 11837, 16910, 18410, 23407, 23674, 24985, 34979, 46814, 49970, 59185, 69958, 117035, 118370, 163849, 174895, 234070, 327698, 349790, 444733, 819245, 889466, 1638490, 2223665, 3113131, 4447330, 6226262, 15565655, 31131310]

約数ペア:

[(1, 31131310), (2, 15565655), (5, 6226262), (7, 4447330), (10, 3113131), (14, 2223665), (19, 1638490), (35, 889466), (38, 819245), (70, 444733), (89, 349790), (95, 327698), (133, 234070), (178, 174895), (190, 163849), (263, 118370), (266, 117035), (445, 69958), (526, 59185), (623, 49970), (665, 46814), (890, 34979), (1246, 24985), (1315, 23674), (1330, 23407), (1691, 18410), (1841, 16910), (2630, 11837), (3115, 9994), (3382, 9205), (3682, 8455), (4997, 6230)]