123643180

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{41491}}^1$

素因数の和:41649

約数の個数: 24

約数和(自身を含む): 261399600

約数和(自身を除く): 137756420

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 41491, 82982, 165964, 207455, 414910, 829820, 6182159, 12364318, 24728636, 30910795, 61821590, 123643180]

約数ペア:

[(1, 123643180), (2, 61821590), (4, 30910795), (5, 24728636), (10, 12364318), (20, 6182159), (149, 829820), (298, 414910), (596, 207455), (745, 165964), (1490, 82982), (2980, 41491)]