123553640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{441263}}^1$

素因数の和:441281

約数の個数: 32

約数和(自身を含む): 317710080

約数和(自身を除く): 194156440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 441263, 882526, 1765052, 2206315, 3088841, 3530104, 4412630, 6177682, 8825260, 12355364, 15444205, 17650520, 24710728, 30888410, 61776820, 123553640]

約数ペア:

[(1, 123553640), (2, 61776820), (4, 30888410), (5, 24710728), (7, 17650520), (8, 15444205), (10, 12355364), (14, 8825260), (20, 6177682), (28, 4412630), (35, 3530104), (40, 3088841), (56, 2206315), (70, 1765052), (140, 882526), (280, 441263)]