1398040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4993}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 3595680

約数和(自身を除く): 2197640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4993, 9986, 19972, 24965, 34951, 39944, 49930, 69902, 99860, 139804, 174755, 199720, 279608, 349510, 699020, 1398040]

約数ペア:

[(1, 1398040), (2, 699020), (4, 349510), (5, 279608), (7, 199720), (8, 174755), (10, 139804), (14, 99860), (20, 69902), (28, 49930), (35, 39944), (40, 34951), (56, 24965), (70, 19972), (140, 9986), (280, 4993)]