139631780

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{15277}}^1$

素因数の和:15743

約数の個数: 24

約数和(自身を含む): 293887608

約数和(自身を除く): 154255828

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 15277, 30554, 61108, 76385, 152770, 305540, 6981589, 13963178, 27926356, 34907945, 69815890, 139631780]

約数ペア:

[(1, 139631780), (2, 69815890), (4, 34907945), (5, 27926356), (10, 13963178), (20, 6981589), (457, 305540), (914, 152770), (1828, 76385), (2285, 61108), (4570, 30554), (9140, 15277)]