260907080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{931811}}^1$

素因数の和:931829

約数の個数: 32

約数和(自身を含む): 670904640

約数和(自身を除く): 409997560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 931811, 1863622, 3727244, 4659055, 6522677, 7454488, 9318110, 13045354, 18636220, 26090708, 32613385, 37272440, 52181416, 65226770, 130453540, 260907080]

約数ペア:

[(1, 260907080), (2, 130453540), (4, 65226770), (5, 52181416), (7, 37272440), (8, 32613385), (10, 26090708), (14, 18636220), (20, 13045354), (28, 9318110), (35, 7454488), (40, 6522677), (56, 4659055), (70, 3727244), (140, 1863622), (280, 931811)]