11507980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 28160496

約数和(自身を除く): 16652516

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 181, 187, 220, 289, 340, 362, 374, 578, 724, 748, 905, 935, 1156, 1445, 1810, 1870, 1991, 2890, 3077, 3179, 3620, 3740, 3982, 5780, 6154, 6358, 7964, 9955, 12308, 12716, 15385, 15895, 19910, 30770, 31790, 33847, 39820, 52309, 61540, 63580, 67694, 104618, 135388, 169235, 209236, 261545, 338470, 523090, 575399, 676940, 1046180, 1150798, 2301596, 2876995, 5753990, 11507980]

約数ペア:

[(1, 11507980), (2, 5753990), (4, 2876995), (5, 2301596), (10, 1150798), (11, 1046180), (17, 676940), (20, 575399), (22, 523090), (34, 338470), (44, 261545), (55, 209236), (68, 169235), (85, 135388), (110, 104618), (170, 67694), (181, 63580), (187, 61540), (220, 52309), (289, 39820), (340, 33847), (362, 31790), (374, 30770), (578, 19910), (724, 15895), (748, 15385), (905, 12716), (935, 12308), (1156, 9955), (1445, 7964), (1810, 6358), (1870, 6154), (1991, 5780), (2890, 3982), (3077, 3740), (3179, 3620)]