89248880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 238645440

約数和(自身を除く): 149396560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 809, 985, 1379, 1576, 1618, 1970, 2758, 3152, 3236, 3940, 4045, 5516, 5663, 6472, 6895, 7880, 8090, 11032, 11326, 12944, 13790, 15760, 16180, 22064, 22652, 27580, 28315, 32360, 45304, 55160, 56630, 64720, 90608, 110320, 113260, 159373, 226520, 318746, 453040, 637492, 796865, 1115611, 1274984, 1593730, 2231222, 2549968, 3187460, 4462444, 5578055, 6374920, 8924888, 11156110, 12749840, 17849776, 22312220, 44624440, 89248880]

約数ペア:

[(1, 89248880), (2, 44624440), (4, 22312220), (5, 17849776), (7, 12749840), (8, 11156110), (10, 8924888), (14, 6374920), (16, 5578055), (20, 4462444), (28, 3187460), (35, 2549968), (40, 2231222), (56, 1593730), (70, 1274984), (80, 1115611), (112, 796865), (140, 637492), (197, 453040), (280, 318746), (394, 226520), (560, 159373), (788, 113260), (809, 110320), (985, 90608), (1379, 64720), (1576, 56630), (1618, 55160), (1970, 45304), (2758, 32360), (3152, 28315), (3236, 27580), (3940, 22652), (4045, 22064), (5516, 16180), (5663, 15760), (6472, 13790), (6895, 12944), (7880, 11326), (8090, 11032)]