2497240

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 5670000

約数和(自身を除く): 3172760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 419, 596, 745, 838, 1192, 1490, 1676, 2095, 2980, 3352, 4190, 5960, 8380, 16760, 62431, 124862, 249724, 312155, 499448, 624310, 1248620, 2497240]

約数ペア:

[(1, 2497240), (2, 1248620), (4, 624310), (5, 499448), (8, 312155), (10, 249724), (20, 124862), (40, 62431), (149, 16760), (298, 8380), (419, 5960), (596, 4190), (745, 3352), (838, 2980), (1192, 2095), (1490, 1676)]