87259340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{623281}}^1$

素因数の和:623297

約数の個数: 24

約数和(自身を含む): 209422752

約数和(自身を除く): 122163412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 623281, 1246562, 2493124, 3116405, 4362967, 6232810, 8725934, 12465620, 17451868, 21814835, 43629670, 87259340]

約数ペア:

[(1, 87259340), (2, 43629670), (4, 21814835), (5, 17451868), (7, 12465620), (10, 8725934), (14, 6232810), (20, 4362967), (28, 3116405), (35, 2493124), (70, 1246562), (140, 623281)]