2928940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20921}}^1$

素因数の和:20937

約数の個数: 24

約数和(自身を含む): 7029792

約数和(自身を除く): 4100852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20921, 41842, 83684, 104605, 146447, 209210, 292894, 418420, 585788, 732235, 1464470, 2928940]

約数ペア:

[(1, 2928940), (2, 1464470), (4, 732235), (5, 585788), (7, 418420), (10, 292894), (14, 209210), (20, 146447), (28, 104605), (35, 83684), (70, 41842), (140, 20921)]