78860180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563287}}^1$

素因数の和:563303

約数の個数: 24

約数和(自身を含む): 189264768

約数和(自身を除く): 110404588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563287, 1126574, 2253148, 2816435, 3943009, 5632870, 7886018, 11265740, 15772036, 19715045, 39430090, 78860180]

約数ペア:

[(1, 78860180), (2, 39430090), (4, 19715045), (5, 15772036), (7, 11265740), (10, 7886018), (14, 5632870), (20, 3943009), (28, 2816435), (35, 2253148), (70, 1126574), (140, 563287)]