90005660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 209563200

約数和(自身を除く): 119557540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 53, 76, 82, 95, 106, 109, 164, 190, 205, 212, 218, 265, 380, 410, 436, 530, 545, 779, 820, 1007, 1060, 1090, 1558, 2014, 2071, 2173, 2180, 3116, 3895, 4028, 4142, 4346, 4469, 5035, 5777, 7790, 8284, 8692, 8938, 10070, 10355, 10865, 11554, 15580, 17876, 20140, 20710, 21730, 22345, 23108, 28885, 41287, 41420, 43460, 44690, 57770, 82574, 84911, 89380, 109763, 115540, 165148, 169822, 206435, 219526, 236857, 339644, 412870, 424555, 439052, 473714, 548815, 825740, 849110, 947428, 1097630, 1184285, 1698220, 2195260, 2368570, 4500283, 4737140, 9000566, 18001132, 22501415, 45002830, 90005660]

約数ペア:

[(1, 90005660), (2, 45002830), (4, 22501415), (5, 18001132), (10, 9000566), (19, 4737140), (20, 4500283), (38, 2368570), (41, 2195260), (53, 1698220), (76, 1184285), (82, 1097630), (95, 947428), (106, 849110), (109, 825740), (164, 548815), (190, 473714), (205, 439052), (212, 424555), (218, 412870), (265, 339644), (380, 236857), (410, 219526), (436, 206435), (530, 169822), (545, 165148), (779, 115540), (820, 109763), (1007, 89380), (1060, 84911), (1090, 82574), (1558, 57770), (2014, 44690), (2071, 43460), (2173, 41420), (2180, 41287), (3116, 28885), (3895, 23108), (4028, 22345), (4142, 21730), (4346, 20710), (4469, 20140), (5035, 17876), (5777, 15580), (7790, 11554), (8284, 10865), (8692, 10355), (8938, 10070)]