2749490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 5400000

約数和(自身を除く): 2650510

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 499, 551, 998, 1102, 2495, 2755, 4990, 5510, 9481, 14471, 18962, 28942, 47405, 72355, 94810, 144710, 274949, 549898, 1374745, 2749490]

約数ペア:

[(1, 2749490), (2, 1374745), (5, 549898), (10, 274949), (19, 144710), (29, 94810), (38, 72355), (58, 47405), (95, 28942), (145, 18962), (190, 14471), (290, 9481), (499, 5510), (551, 4990), (998, 2755), (1102, 2495)]