30894620

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7321}}^1$

素因数の和:7541

約数の個数: 24

約数和(自身を含む): 65195088

約数和(自身を除く): 34300468

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 7321, 14642, 29284, 36605, 73210, 146420, 1544731, 3089462, 6178924, 7723655, 15447310, 30894620]

約数ペア:

[(1, 30894620), (2, 15447310), (4, 7723655), (5, 6178924), (10, 3089462), (20, 1544731), (211, 146420), (422, 73210), (844, 36605), (1055, 29284), (2110, 14642), (4220, 7321)]