2097290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 4387608

約数和(自身を除く): 2290318

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 73, 85, 130, 146, 169, 170, 221, 338, 365, 442, 730, 845, 949, 1105, 1241, 1690, 1898, 2210, 2482, 2873, 4745, 5746, 6205, 9490, 12337, 12410, 14365, 16133, 24674, 28730, 32266, 61685, 80665, 123370, 161330, 209729, 419458, 1048645, 2097290]

約数ペア:

[(1, 2097290), (2, 1048645), (5, 419458), (10, 209729), (13, 161330), (17, 123370), (26, 80665), (34, 61685), (65, 32266), (73, 28730), (85, 24674), (130, 16133), (146, 14365), (169, 12410), (170, 12337), (221, 9490), (338, 6205), (365, 5746), (442, 4745), (730, 2873), (845, 2482), (949, 2210), (1105, 1898), (1241, 1690)]