30791740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219941}}^1$

素因数の和:219957

約数の個数: 24

約数和(自身を含む): 73900512

約数和(自身を除く): 43108772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219941, 439882, 879764, 1099705, 1539587, 2199410, 3079174, 4398820, 6158348, 7697935, 15395870, 30791740]

約数ペア:

[(1, 30791740), (2, 15395870), (4, 7697935), (5, 6158348), (7, 4398820), (10, 3079174), (14, 2199410), (20, 1539587), (28, 1099705), (35, 879764), (70, 439882), (140, 219941)]