68791240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245683}}^1$

素因数の和:245701

約数の個数: 32

約数和(自身を含む): 176892480

約数和(自身を除く): 108101240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245683, 491366, 982732, 1228415, 1719781, 1965464, 2456830, 3439562, 4913660, 6879124, 8598905, 9827320, 13758248, 17197810, 34395620, 68791240]

約数ペア:

[(1, 68791240), (2, 34395620), (4, 17197810), (5, 13758248), (7, 9827320), (8, 8598905), (10, 6879124), (14, 4913660), (20, 3439562), (28, 2456830), (35, 1965464), (40, 1719781), (56, 1228415), (70, 982732), (140, 491366), (280, 245683)]