1340147480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4786241}}^1$

素因数の和:4786259

約数の個数: 32

約数和(自身を含む): 3446094240

約数和(自身を除く): 2105946760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4786241, 9572482, 19144964, 23931205, 33503687, 38289928, 47862410, 67007374, 95724820, 134014748, 167518435, 191449640, 268029496, 335036870, 670073740, 1340147480]

約数ペア:

[(1, 1340147480), (2, 670073740), (4, 335036870), (5, 268029496), (7, 191449640), (8, 167518435), (10, 134014748), (14, 95724820), (20, 67007374), (28, 47862410), (35, 38289928), (40, 33503687), (56, 23931205), (70, 19144964), (140, 9572482), (280, 4786241)]