1247140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 2644992

約数和(自身を除く): 1397852

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 491, 508, 635, 982, 1270, 1964, 2455, 2540, 4910, 9820, 62357, 124714, 249428, 311785, 623570, 1247140]

約数ペア:

[(1, 1247140), (2, 623570), (4, 311785), (5, 249428), (10, 124714), (20, 62357), (127, 9820), (254, 4910), (491, 2540), (508, 2455), (635, 1964), (982, 1270)]