688620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 2016000

約数和(自身を除く): 1327380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 499, 690, 998, 1380, 1497, 1996, 2495, 2994, 4990, 5988, 7485, 9980, 11477, 14970, 22954, 29940, 34431, 45908, 57385, 68862, 114770, 137724, 172155, 229540, 344310, 688620]

約数ペア:

[(1, 688620), (2, 344310), (3, 229540), (4, 172155), (5, 137724), (6, 114770), (10, 68862), (12, 57385), (15, 45908), (20, 34431), (23, 29940), (30, 22954), (46, 14970), (60, 11477), (69, 9980), (92, 7485), (115, 5988), (138, 4990), (230, 2994), (276, 2495), (345, 1996), (460, 1497), (499, 1380), (690, 998)]