699020

素因数分解:

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

素因数の和:5009

約数の個数: 24

約数和(自身を含む): 1677984

約数和(自身を除く): 978964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4993, 9986, 19972, 24965, 34951, 49930, 69902, 99860, 139804, 174755, 349510, 699020]

約数ペア:

[(1, 699020), (2, 349510), (4, 174755), (5, 139804), (7, 99860), (10, 69902), (14, 49930), (20, 34951), (28, 24965), (35, 19972), (70, 9986), (140, 4993)]