4013380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 9757440

約数和(自身を除く): 5744060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 263, 436, 526, 545, 763, 1052, 1090, 1315, 1526, 1841, 2180, 2630, 3052, 3682, 3815, 5260, 7364, 7630, 9205, 15260, 18410, 28667, 36820, 57334, 114668, 143335, 200669, 286670, 401338, 573340, 802676, 1003345, 2006690, 4013380]

約数ペア:

[(1, 4013380), (2, 2006690), (4, 1003345), (5, 802676), (7, 573340), (10, 401338), (14, 286670), (20, 200669), (28, 143335), (35, 114668), (70, 57334), (109, 36820), (140, 28667), (218, 18410), (263, 15260), (436, 9205), (526, 7630), (545, 7364), (763, 5260), (1052, 3815), (1090, 3682), (1315, 3052), (1526, 2630), (1841, 2180)]