7918120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28279}}^1$

素因数の和:28297

約数の個数: 32

約数和(自身を含む): 20361600

約数和(自身を除く): 12443480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28279, 56558, 113116, 141395, 197953, 226232, 282790, 395906, 565580, 791812, 989765, 1131160, 1583624, 1979530, 3959060, 7918120]

約数ペア:

[(1, 7918120), (2, 3959060), (4, 1979530), (5, 1583624), (7, 1131160), (8, 989765), (10, 791812), (14, 565580), (20, 395906), (28, 282790), (35, 226232), (40, 197953), (56, 141395), (70, 113116), (140, 56558), (280, 28279)]