173844100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 390990600

約数和(自身を除く): 217146500

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 109, 164, 205, 218, 389, 410, 436, 545, 778, 820, 1025, 1090, 1556, 1945, 2050, 2180, 2725, 3890, 4100, 4469, 5450, 7780, 8938, 9725, 10900, 15949, 17876, 19450, 22345, 31898, 38900, 42401, 44690, 63796, 79745, 84802, 89380, 111725, 159490, 169604, 212005, 223450, 318980, 398725, 424010, 446900, 797450, 848020, 1060025, 1594900, 1738441, 2120050, 3476882, 4240100, 6953764, 8692205, 17384410, 34768820, 43461025, 86922050, 173844100]

約数ペア:

[(1, 173844100), (2, 86922050), (4, 43461025), (5, 34768820), (10, 17384410), (20, 8692205), (25, 6953764), (41, 4240100), (50, 3476882), (82, 2120050), (100, 1738441), (109, 1594900), (164, 1060025), (205, 848020), (218, 797450), (389, 446900), (410, 424010), (436, 398725), (545, 318980), (778, 223450), (820, 212005), (1025, 169604), (1090, 159490), (1556, 111725), (1945, 89380), (2050, 84802), (2180, 79745), (2725, 63796), (3890, 44690), (4100, 42401), (4469, 38900), (5450, 31898), (7780, 22345), (8938, 19450), (9725, 17876), (10900, 15949)]