122475020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 262936800

約数和(自身を除く): 140461780

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 149, 292, 298, 365, 563, 596, 730, 745, 1126, 1460, 1490, 2252, 2815, 2980, 5630, 10877, 11260, 21754, 41099, 43508, 54385, 82198, 83887, 108770, 164396, 167774, 205495, 217540, 335548, 410990, 419435, 821980, 838870, 1677740, 6123751, 12247502, 24495004, 30618755, 61237510, 122475020]

約数ペア:

[(1, 122475020), (2, 61237510), (4, 30618755), (5, 24495004), (10, 12247502), (20, 6123751), (73, 1677740), (146, 838870), (149, 821980), (292, 419435), (298, 410990), (365, 335548), (563, 217540), (596, 205495), (730, 167774), (745, 164396), (1126, 108770), (1460, 83887), (1490, 82198), (2252, 54385), (2815, 43508), (2980, 41099), (5630, 21754), (10877, 11260)]