9942790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 22317120

約数和(自身を除く): 12374330

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 409, 442, 715, 818, 935, 1105, 1430, 1870, 2045, 2210, 2431, 4090, 4499, 4862, 5317, 6953, 8998, 10634, 12155, 13906, 22495, 24310, 26585, 34765, 44990, 53170, 58487, 69530, 76483, 90389, 116974, 152966, 180778, 292435, 382415, 451945, 584870, 764830, 903890, 994279, 1988558, 4971395, 9942790]

約数ペア:

[(1, 9942790), (2, 4971395), (5, 1988558), (10, 994279), (11, 903890), (13, 764830), (17, 584870), (22, 451945), (26, 382415), (34, 292435), (55, 180778), (65, 152966), (85, 116974), (110, 90389), (130, 76483), (143, 69530), (170, 58487), (187, 53170), (221, 44990), (286, 34765), (374, 26585), (409, 24310), (442, 22495), (715, 13906), (818, 12155), (935, 10634), (1105, 8998), (1430, 6953), (1870, 5317), (2045, 4862), (2210, 4499), (2431, 4090)]