1978779610

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 3772106784

約数和(自身を除く): 1793327174

約数列:

[1, 2, 5, 10, 37, 61, 73, 74, 122, 146, 185, 305, 365, 370, 610, 730, 1201, 2257, 2402, 2701, 4453, 4514, 5402, 6005, 8906, 11285, 12010, 13505, 22265, 22570, 27010, 44437, 44530, 73261, 87673, 88874, 146522, 164761, 175346, 222185, 329522, 366305, 438365, 444370, 732610, 823805, 876730, 1647610, 2710657, 3243901, 5348053, 5421314, 6487802, 10696106, 13553285, 16219505, 26740265, 27106570, 32439010, 53480530, 197877961, 395755922, 989389805, 1978779610]

約数ペア:

[(1, 1978779610), (2, 989389805), (5, 395755922), (10, 197877961), (37, 53480530), (61, 32439010), (73, 27106570), (74, 26740265), (122, 16219505), (146, 13553285), (185, 10696106), (305, 6487802), (365, 5421314), (370, 5348053), (610, 3243901), (730, 2710657), (1201, 1647610), (2257, 876730), (2402, 823805), (2701, 732610), (4453, 444370), (4514, 438365), (5402, 366305), (6005, 329522), (8906, 222185), (11285, 175346), (12010, 164761), (13505, 146522), (22265, 88874), (22570, 87673), (27010, 73261), (44437, 44530)]