217323260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12829}}^1$

素因数の和:12867

約数の個数: 72

約数和(自身を含む): 573347040

約数和(自身を除く): 356023780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 12829, 16940, 25658, 51316, 64145, 89803, 128290, 141119, 179606, 256580, 282238, 359212, 449015, 564476, 705595, 898030, 987833, 1411190, 1552309, 1796060, 1975666, 2822380, 3104618, 3951332, 4939165, 6209236, 7761545, 9878330, 10866163, 15523090, 19756660, 21732326, 31046180, 43464652, 54330815, 108661630, 217323260]

約数ペア:

[(1, 217323260), (2, 108661630), (4, 54330815), (5, 43464652), (7, 31046180), (10, 21732326), (11, 19756660), (14, 15523090), (20, 10866163), (22, 9878330), (28, 7761545), (35, 6209236), (44, 4939165), (55, 3951332), (70, 3104618), (77, 2822380), (110, 1975666), (121, 1796060), (140, 1552309), (154, 1411190), (220, 987833), (242, 898030), (308, 705595), (385, 564476), (484, 449015), (605, 359212), (770, 282238), (847, 256580), (1210, 179606), (1540, 141119), (1694, 128290), (2420, 89803), (3388, 64145), (4235, 51316), (8470, 25658), (12829, 16940)]