89398960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 238841856

約数和(自身を除く): 149442896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 607, 1052, 1214, 1315, 1841, 2104, 2428, 2630, 3035, 3682, 4208, 4249, 4856, 5260, 6070, 7364, 8498, 9205, 9712, 10520, 12140, 14728, 16996, 18410, 21040, 21245, 24280, 29456, 33992, 36820, 42490, 48560, 67984, 73640, 84980, 147280, 159641, 169960, 319282, 339920, 638564, 798205, 1117487, 1277128, 1596410, 2234974, 2554256, 3192820, 4469948, 5587435, 6385640, 8939896, 11174870, 12771280, 17879792, 22349740, 44699480, 89398960]

約数ペア:

[(1, 89398960), (2, 44699480), (4, 22349740), (5, 17879792), (7, 12771280), (8, 11174870), (10, 8939896), (14, 6385640), (16, 5587435), (20, 4469948), (28, 3192820), (35, 2554256), (40, 2234974), (56, 1596410), (70, 1277128), (80, 1117487), (112, 798205), (140, 638564), (263, 339920), (280, 319282), (526, 169960), (560, 159641), (607, 147280), (1052, 84980), (1214, 73640), (1315, 67984), (1841, 48560), (2104, 42490), (2428, 36820), (2630, 33992), (3035, 29456), (3682, 24280), (4208, 21245), (4249, 21040), (4856, 18410), (5260, 16996), (6070, 14728), (7364, 12140), (8498, 10520), (9205, 9712)]