9817219780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2221}}^1\times {\mathrm{7621}}^1$

素因数の和:9880

約数の個数: 48

約数和(自身を含む): 21339465840

約数和(自身を除く): 11522246060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2221, 4442, 7621, 8884, 11105, 15242, 22210, 30484, 38105, 44420, 64409, 76210, 128818, 152420, 221009, 257636, 322045, 442018, 644090, 884036, 1105045, 1288180, 2210090, 4420180, 16926241, 33852482, 67704964, 84631205, 169262410, 338524820, 490860989, 981721978, 1963443956, 2454304945, 4908609890, 9817219780]

約数ペア:

[(1, 9817219780), (2, 4908609890), (4, 2454304945), (5, 1963443956), (10, 981721978), (20, 490860989), (29, 338524820), (58, 169262410), (116, 84631205), (145, 67704964), (290, 33852482), (580, 16926241), (2221, 4420180), (4442, 2210090), (7621, 1288180), (8884, 1105045), (11105, 884036), (15242, 644090), (22210, 442018), (30484, 322045), (38105, 257636), (44420, 221009), (64409, 152420), (76210, 128818)]