2801080

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 6350400

約数和(自身を除く): 3549320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 293, 478, 586, 956, 1172, 1195, 1465, 1912, 2344, 2390, 2930, 4780, 5860, 9560, 11720, 70027, 140054, 280108, 350135, 560216, 700270, 1400540, 2801080]

約数ペア:

[(1, 2801080), (2, 1400540), (4, 700270), (5, 560216), (8, 350135), (10, 280108), (20, 140054), (40, 70027), (239, 11720), (293, 9560), (478, 5860), (586, 4780), (956, 2930), (1172, 2390), (1195, 2344), (1465, 1912)]