22013740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{3209}}^1$

素因数の和:3239

約数の個数: 48

約数和(自身を含む): 53928000

約数和(自身を除く): 31914260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3209, 3430, 6418, 6860, 12836, 16045, 22463, 32090, 44926, 64180, 89852, 112315, 157241, 224630, 314482, 449260, 628964, 786205, 1100687, 1572410, 2201374, 3144820, 4402748, 5503435, 11006870, 22013740]

約数ペア:

[(1, 22013740), (2, 11006870), (4, 5503435), (5, 4402748), (7, 3144820), (10, 2201374), (14, 1572410), (20, 1100687), (28, 786205), (35, 628964), (49, 449260), (70, 314482), (98, 224630), (140, 157241), (196, 112315), (245, 89852), (343, 64180), (490, 44926), (686, 32090), (980, 22463), (1372, 16045), (1715, 12836), (3209, 6860), (3430, 6418)]