87499340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257351}}^1$

素因数の和:257377

約数の個数: 24

約数和(自身を含む): 194558112

約数和(自身を除く): 107058772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 257351, 514702, 1029404, 1286755, 2573510, 4374967, 5147020, 8749934, 17499868, 21874835, 43749670, 87499340]

約数ペア:

[(1, 87499340), (2, 43749670), (4, 21874835), (5, 17499868), (10, 8749934), (17, 5147020), (20, 4374967), (34, 2573510), (68, 1286755), (85, 1029404), (170, 514702), (340, 257351)]