1248620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 2646000

約数和(自身を除く): 1397380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 419, 596, 745, 838, 1490, 1676, 2095, 2980, 4190, 8380, 62431, 124862, 249724, 312155, 624310, 1248620]

約数ペア:

[(1, 1248620), (2, 624310), (4, 312155), (5, 249724), (10, 124862), (20, 62431), (149, 8380), (298, 4190), (419, 2980), (596, 2095), (745, 1676), (838, 1490)]