220000788

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{124717}}^1$

素因数の和:124741

約数の個数: 54

約数和(自身を含む): 646912266

約数和(自身を除く): 426911478

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 124717, 249434, 374151, 498868, 748302, 873019, 1122453, 1496604, 1746038, 2244906, 2619057, 3492076, 4489812, 5238114, 6111133, 7857171, 10476228, 12222266, 15714342, 18333399, 24444532, 31428684, 36666798, 55000197, 73333596, 110000394, 220000788]

約数ペア:

[(1, 220000788), (2, 110000394), (3, 73333596), (4, 55000197), (6, 36666798), (7, 31428684), (9, 24444532), (12, 18333399), (14, 15714342), (18, 12222266), (21, 10476228), (28, 7857171), (36, 6111133), (42, 5238114), (49, 4489812), (63, 3492076), (84, 2619057), (98, 2244906), (126, 1746038), (147, 1496604), (196, 1122453), (252, 873019), (294, 748302), (441, 498868), (588, 374151), (882, 249434), (1764, 124717)]