606040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 1386000

約数和(自身を除く): 779960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 139, 218, 278, 436, 545, 556, 695, 872, 1090, 1112, 1390, 2180, 2780, 4360, 5560, 15151, 30302, 60604, 75755, 121208, 151510, 303020, 606040]

約数ペア:

[(1, 606040), (2, 303020), (4, 151510), (5, 121208), (8, 75755), (10, 60604), (20, 30302), (40, 15151), (109, 5560), (139, 4360), (218, 2780), (278, 2180), (436, 1390), (545, 1112), (556, 1090), (695, 872)]