28869260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206209}}^1$

素因数の和:206225

約数の個数: 24

約数和(自身を含む): 69286560

約数和(自身を除く): 40417300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206209, 412418, 824836, 1031045, 1443463, 2062090, 2886926, 4124180, 5773852, 7217315, 14434630, 28869260]

約数ペア:

[(1, 28869260), (2, 14434630), (4, 7217315), (5, 5773852), (7, 4124180), (10, 2886926), (14, 2062090), (20, 1443463), (28, 1031045), (35, 824836), (70, 412418), (140, 206209)]