1078940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 2299920

約数和(自身を除く): 1220980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 739, 1460, 1478, 2956, 3695, 7390, 14780, 53947, 107894, 215788, 269735, 539470, 1078940]

約数ペア:

[(1, 1078940), (2, 539470), (4, 269735), (5, 215788), (10, 107894), (20, 53947), (73, 14780), (146, 7390), (292, 3695), (365, 2956), (730, 1478), (739, 1460)]