28632620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 63840000

約数和(自身を除く): 35207380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 151, 190, 302, 380, 499, 604, 755, 998, 1510, 1996, 2495, 2869, 3020, 4990, 5738, 9481, 9980, 11476, 14345, 18962, 28690, 37924, 47405, 57380, 75349, 94810, 150698, 189620, 301396, 376745, 753490, 1431631, 1506980, 2863262, 5726524, 7158155, 14316310, 28632620]

約数ペア:

[(1, 28632620), (2, 14316310), (4, 7158155), (5, 5726524), (10, 2863262), (19, 1506980), (20, 1431631), (38, 753490), (76, 376745), (95, 301396), (151, 189620), (190, 150698), (302, 94810), (380, 75349), (499, 57380), (604, 47405), (755, 37924), (998, 28690), (1510, 18962), (1996, 14345), (2495, 11476), (2869, 9980), (3020, 9481), (4990, 5738)]