7801060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 17208576

約数和(自身を除く): 9407516

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 193, 215, 235, 386, 430, 470, 772, 860, 940, 965, 1930, 2021, 3860, 4042, 8084, 8299, 9071, 10105, 16598, 18142, 20210, 33196, 36284, 40420, 41495, 45355, 82990, 90710, 165980, 181420, 390053, 780106, 1560212, 1950265, 3900530, 7801060]

約数ペア:

[(1, 7801060), (2, 3900530), (4, 1950265), (5, 1560212), (10, 780106), (20, 390053), (43, 181420), (47, 165980), (86, 90710), (94, 82990), (172, 45355), (188, 41495), (193, 40420), (215, 36284), (235, 33196), (386, 20210), (430, 18142), (470, 16598), (772, 10105), (860, 9071), (940, 8299), (965, 8084), (1930, 4042), (2021, 3860)]