325361980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 732172896

約数和(自身を除く): 406810916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 289, 311, 340, 362, 578, 622, 724, 905, 1156, 1244, 1445, 1555, 1810, 2890, 3077, 3110, 3620, 5287, 5780, 6154, 6220, 10574, 12308, 15385, 21148, 26435, 30770, 52309, 52870, 56291, 61540, 89879, 104618, 105740, 112582, 179758, 209236, 225164, 261545, 281455, 359516, 449395, 523090, 562910, 898790, 956947, 1046180, 1125820, 1797580, 1913894, 3827788, 4784735, 9569470, 16268099, 19138940, 32536198, 65072396, 81340495, 162680990, 325361980]

約数ペア:

[(1, 325361980), (2, 162680990), (4, 81340495), (5, 65072396), (10, 32536198), (17, 19138940), (20, 16268099), (34, 9569470), (68, 4784735), (85, 3827788), (170, 1913894), (181, 1797580), (289, 1125820), (311, 1046180), (340, 956947), (362, 898790), (578, 562910), (622, 523090), (724, 449395), (905, 359516), (1156, 281455), (1244, 261545), (1445, 225164), (1555, 209236), (1810, 179758), (2890, 112582), (3077, 105740), (3110, 104618), (3620, 89879), (5287, 61540), (5780, 56291), (6154, 52870), (6220, 52309), (10574, 30770), (12308, 26435), (15385, 21148)]