68978420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1741}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 166228608

約数和(自身を除く): 97250188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1741, 1981, 2830, 3482, 3962, 5660, 6964, 7924, 8705, 9905, 12187, 17410, 19810, 24374, 34820, 39620, 48748, 60935, 121870, 243740, 492703, 985406, 1970812, 2463515, 3448921, 4927030, 6897842, 9854060, 13795684, 17244605, 34489210, 68978420]

約数ペア:

[(1, 68978420), (2, 34489210), (4, 17244605), (5, 13795684), (7, 9854060), (10, 6897842), (14, 4927030), (20, 3448921), (28, 2463515), (35, 1970812), (70, 985406), (140, 492703), (283, 243740), (566, 121870), (1132, 60935), (1415, 48748), (1741, 39620), (1981, 34820), (2830, 24374), (3482, 19810), (3962, 17410), (5660, 12187), (6964, 9905), (7924, 8705)]