2783480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9941}}^1$

素因数の和:9959

約数の個数: 32

約数和(自身を含む): 7158240

約数和(自身を除く): 4374760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9941, 19882, 39764, 49705, 69587, 79528, 99410, 139174, 198820, 278348, 347935, 397640, 556696, 695870, 1391740, 2783480]

約数ペア:

[(1, 2783480), (2, 1391740), (4, 695870), (5, 556696), (7, 397640), (8, 347935), (10, 278348), (14, 198820), (20, 139174), (28, 99410), (35, 79528), (40, 69587), (56, 49705), (70, 39764), (140, 19882), (280, 9941)]