85031240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{303683}}^1$

素因数の和:303701

約数の個数: 32

約数和(自身を含む): 218652480

約数和(自身を除く): 133621240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 303683, 607366, 1214732, 1518415, 2125781, 2429464, 3036830, 4251562, 6073660, 8503124, 10628905, 12147320, 17006248, 21257810, 42515620, 85031240]

約数ペア:

[(1, 85031240), (2, 42515620), (4, 21257810), (5, 17006248), (7, 12147320), (8, 10628905), (10, 8503124), (14, 6073660), (20, 4251562), (28, 3036830), (35, 2429464), (40, 2125781), (56, 1518415), (70, 1214732), (140, 607366), (280, 303683)]