2490040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{8893}}^1$

素因数の和:8911

約数の個数: 32

約数和(自身を含む): 6403680

約数和(自身を除く): 3913640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 8893, 17786, 35572, 44465, 62251, 71144, 88930, 124502, 177860, 249004, 311255, 355720, 498008, 622510, 1245020, 2490040]

約数ペア:

[(1, 2490040), (2, 1245020), (4, 622510), (5, 498008), (7, 355720), (8, 311255), (10, 249004), (14, 177860), (20, 124502), (28, 88930), (35, 71144), (40, 62251), (56, 44465), (70, 35572), (140, 17786), (280, 8893)]