42638260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{304559}}^1$

素因数の和:304575

約数の個数: 24

約数和(自身を含む): 102332160

約数和(自身を除く): 59693900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 304559, 609118, 1218236, 1522795, 2131913, 3045590, 4263826, 6091180, 8527652, 10659565, 21319130, 42638260]

約数ペア:

[(1, 42638260), (2, 21319130), (4, 10659565), (5, 8527652), (7, 6091180), (10, 4263826), (14, 3045590), (20, 2131913), (28, 1522795), (35, 1218236), (70, 609118), (140, 304559)]