8834140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 21470400

約数和(自身を除く): 12636260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 709, 890, 1246, 1418, 1780, 2492, 2836, 3115, 3545, 4963, 6230, 7090, 9926, 12460, 14180, 19852, 24815, 49630, 63101, 99260, 126202, 252404, 315505, 441707, 631010, 883414, 1262020, 1766828, 2208535, 4417070, 8834140]

約数ペア:

[(1, 8834140), (2, 4417070), (4, 2208535), (5, 1766828), (7, 1262020), (10, 883414), (14, 631010), (20, 441707), (28, 315505), (35, 252404), (70, 126202), (89, 99260), (140, 63101), (178, 49630), (356, 24815), (445, 19852), (623, 14180), (709, 12460), (890, 9926), (1246, 7090), (1418, 6230), (1780, 4963), (2492, 3545), (2836, 3115)]