978146.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 9639000

約数和(自身を除く): 5401040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1049, 2020, 2098, 4040, 4196, 5245, 8392, 10490, 20980, 41960, 105949, 211898, 423796, 529745, 847592, 1059490, 2118980, 4237960]

約数ペア:

[(1, 4237960), (2, 2118980), (4, 1059490), (5, 847592), (8, 529745), (10, 423796), (20, 211898), (40, 105949), (101, 41960), (202, 20980), (404, 10490), (505, 8392), (808, 5245), (1010, 4196), (1049, 4040), (2020, 2098)]