7646660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 18512256

約数和(自身を除く): 10865596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 283, 386, 566, 772, 965, 1132, 1351, 1415, 1930, 1981, 2702, 2830, 3860, 3962, 5404, 5660, 6755, 7924, 9905, 13510, 19810, 27020, 39620, 54619, 109238, 218476, 273095, 382333, 546190, 764666, 1092380, 1529332, 1911665, 3823330, 7646660]

約数ペア:

[(1, 7646660), (2, 3823330), (4, 1911665), (5, 1529332), (7, 1092380), (10, 764666), (14, 546190), (20, 382333), (28, 273095), (35, 218476), (70, 109238), (140, 54619), (193, 39620), (283, 27020), (386, 19810), (566, 13510), (772, 9905), (965, 7924), (1132, 6755), (1351, 5660), (1415, 5404), (1930, 3962), (1981, 3860), (2702, 2830)]