30581740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3581}}^1$

素因数の和:3658

約数の個数: 48

約数和(自身を含む): 74620224

約数和(自身を除く): 44038484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3581, 4270, 7162, 8540, 14324, 17905, 25067, 35810, 50134, 71620, 100268, 125335, 218441, 250670, 436882, 501340, 873764, 1092205, 1529087, 2184410, 3058174, 4368820, 6116348, 7645435, 15290870, 30581740]

約数ペア:

[(1, 30581740), (2, 15290870), (4, 7645435), (5, 6116348), (7, 4368820), (10, 3058174), (14, 2184410), (20, 1529087), (28, 1092205), (35, 873764), (61, 501340), (70, 436882), (122, 250670), (140, 218441), (244, 125335), (305, 100268), (427, 71620), (610, 50134), (854, 35810), (1220, 25067), (1708, 17905), (2135, 14324), (3581, 8540), (4270, 7162)]