7021340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 15839712

約数和(自身を除く): 8818372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 193, 214, 340, 386, 428, 535, 772, 965, 1070, 1819, 1930, 2140, 3281, 3638, 3860, 6562, 7276, 9095, 13124, 16405, 18190, 20651, 32810, 36380, 41302, 65620, 82604, 103255, 206510, 351067, 413020, 702134, 1404268, 1755335, 3510670, 7021340]

約数ペア:

[(1, 7021340), (2, 3510670), (4, 1755335), (5, 1404268), (10, 702134), (17, 413020), (20, 351067), (34, 206510), (68, 103255), (85, 82604), (107, 65620), (170, 41302), (193, 36380), (214, 32810), (340, 20651), (386, 18190), (428, 16405), (535, 13124), (772, 9095), (965, 7276), (1070, 6562), (1819, 3860), (1930, 3638), (2140, 3281)]