86430820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{617363}}^1$

素因数の和:617379

約数の個数: 24

約数和(自身を含む): 207434304

約数和(自身を除く): 121003484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 617363, 1234726, 2469452, 3086815, 4321541, 6173630, 8643082, 12347260, 17286164, 21607705, 43215410, 86430820]

約数ペア:

[(1, 86430820), (2, 43215410), (4, 21607705), (5, 17286164), (7, 12347260), (10, 8643082), (14, 6173630), (20, 4321541), (28, 3086815), (35, 2469452), (70, 1234726), (140, 617363)]