397050680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{763559}}^1$

素因数の和:763583

約数の個数: 32

約数和(自身を含む): 962085600

約数和(自身を除く): 565034920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 763559, 1527118, 3054236, 3817795, 6108472, 7635590, 9926267, 15271180, 19852534, 30542360, 39705068, 49631335, 79410136, 99262670, 198525340, 397050680]

約数ペア:

[(1, 397050680), (2, 198525340), (4, 99262670), (5, 79410136), (8, 49631335), (10, 39705068), (13, 30542360), (20, 19852534), (26, 15271180), (40, 9926267), (52, 7635590), (65, 6108472), (104, 3817795), (130, 3054236), (260, 1527118), (520, 763559)]