239827720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{545063}}^1$

素因数の和:545085

約数の個数: 32

約数和(自身を含む): 588669120

約数和(自身を除く): 348841400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 545063, 1090126, 2180252, 2725315, 4360504, 5450630, 5995693, 10901260, 11991386, 21802520, 23982772, 29978465, 47965544, 59956930, 119913860, 239827720]

約数ペア:

[(1, 239827720), (2, 119913860), (4, 59956930), (5, 47965544), (8, 29978465), (10, 23982772), (11, 21802520), (20, 11991386), (22, 10901260), (40, 5995693), (44, 5450630), (55, 4360504), (88, 2725315), (110, 2180252), (220, 1090126), (440, 545063)]