87743180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{907}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 211120896

約数和(自身を除く): 123377716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 907, 1382, 1814, 2764, 3455, 3628, 4535, 4837, 6349, 6910, 9070, 9674, 12698, 13820, 18140, 19348, 24185, 25396, 31745, 48370, 63490, 96740, 126980, 626737, 1253474, 2506948, 3133685, 4387159, 6267370, 8774318, 12534740, 17548636, 21935795, 43871590, 87743180]

約数ペア:

[(1, 87743180), (2, 43871590), (4, 21935795), (5, 17548636), (7, 12534740), (10, 8774318), (14, 6267370), (20, 4387159), (28, 3133685), (35, 2506948), (70, 1253474), (140, 626737), (691, 126980), (907, 96740), (1382, 63490), (1814, 48370), (2764, 31745), (3455, 25396), (3628, 24185), (4535, 19348), (4837, 18140), (6349, 13820), (6910, 12698), (9070, 9674)]