12487580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 17704036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 467, 764, 934, 955, 1337, 1868, 1910, 2335, 2674, 3269, 3820, 4670, 5348, 6538, 6685, 9340, 13076, 13370, 16345, 26740, 32690, 65380, 89197, 178394, 356788, 445985, 624379, 891970, 1248758, 1783940, 2497516, 3121895, 6243790, 12487580]

約数ペア:

[(1, 12487580), (2, 6243790), (4, 3121895), (5, 2497516), (7, 1783940), (10, 1248758), (14, 891970), (20, 624379), (28, 445985), (35, 356788), (70, 178394), (140, 89197), (191, 65380), (382, 32690), (467, 26740), (764, 16345), (934, 13370), (955, 13076), (1337, 9340), (1868, 6685), (1910, 6538), (2335, 5348), (2674, 4670), (3269, 3820)]