28204890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{2741}}^1$

素因数の和:2772

約数の個数: 64

約数和(自身を含む): 78969600

約数和(自身を除く): 50764710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 2741, 3430, 5145, 5482, 8223, 10290, 13705, 16446, 19187, 27410, 38374, 41115, 57561, 82230, 95935, 115122, 134309, 191870, 268618, 287805, 402927, 575610, 671545, 805854, 940163, 1343090, 1880326, 2014635, 2820489, 4029270, 4700815, 5640978, 9401630, 14102445, 28204890]

約数ペア:

[(1, 28204890), (2, 14102445), (3, 9401630), (5, 5640978), (6, 4700815), (7, 4029270), (10, 2820489), (14, 2014635), (15, 1880326), (21, 1343090), (30, 940163), (35, 805854), (42, 671545), (49, 575610), (70, 402927), (98, 287805), (105, 268618), (147, 191870), (210, 134309), (245, 115122), (294, 95935), (343, 82230), (490, 57561), (686, 41115), (735, 38374), (1029, 27410), (1470, 19187), (1715, 16446), (2058, 13705), (2741, 10290), (3430, 8223), (5145, 5482)]