31488590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 70170624

約数和(自身を除く): 38682034

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 47, 70, 85, 94, 119, 170, 235, 238, 329, 470, 563, 595, 658, 799, 1126, 1190, 1598, 1645, 2815, 3290, 3941, 3995, 5593, 5630, 7882, 7990, 9571, 11186, 19142, 19705, 26461, 27965, 39410, 47855, 52922, 55930, 66997, 95710, 132305, 133994, 185227, 264610, 334985, 370454, 449837, 669970, 899674, 926135, 1852270, 2249185, 3148859, 4498370, 6297718, 15744295, 31488590]

約数ペア:

[(1, 31488590), (2, 15744295), (5, 6297718), (7, 4498370), (10, 3148859), (14, 2249185), (17, 1852270), (34, 926135), (35, 899674), (47, 669970), (70, 449837), (85, 370454), (94, 334985), (119, 264610), (170, 185227), (235, 133994), (238, 132305), (329, 95710), (470, 66997), (563, 55930), (595, 52922), (658, 47855), (799, 39410), (1126, 27965), (1190, 26461), (1598, 19705), (1645, 19142), (2815, 11186), (3290, 9571), (3941, 7990), (3995, 7882), (5593, 5630)]