427347820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{1627}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 938665728

約数和(自身を除く): 511317908

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 571, 1142, 1627, 2284, 2855, 3254, 5710, 6508, 8135, 11420, 13133, 16270, 26266, 32540, 37421, 52532, 65665, 74842, 131330, 149684, 187105, 262660, 374210, 748420, 929017, 1858034, 3716068, 4645085, 9290170, 18580340, 21367391, 42734782, 85469564, 106836955, 213673910, 427347820]

約数ペア:

[(1, 427347820), (2, 213673910), (4, 106836955), (5, 85469564), (10, 42734782), (20, 21367391), (23, 18580340), (46, 9290170), (92, 4645085), (115, 3716068), (230, 1858034), (460, 929017), (571, 748420), (1142, 374210), (1627, 262660), (2284, 187105), (2855, 149684), (3254, 131330), (5710, 74842), (6508, 65665), (8135, 52532), (11420, 37421), (13133, 32540), (16270, 26266)]