68748500

素因数分解:

$2^2\times 5^3\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 150958080

約数和(自身を除く): 82209580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 359, 383, 500, 718, 766, 1436, 1532, 1795, 1915, 3590, 3830, 7180, 7660, 8975, 9575, 17950, 19150, 35900, 38300, 44875, 47875, 89750, 95750, 137497, 179500, 191500, 274994, 549988, 687485, 1374970, 2749940, 3437425, 6874850, 13749700, 17187125, 34374250, 68748500]

約数ペア:

[(1, 68748500), (2, 34374250), (4, 17187125), (5, 13749700), (10, 6874850), (20, 3437425), (25, 2749940), (50, 1374970), (100, 687485), (125, 549988), (250, 274994), (359, 191500), (383, 179500), (500, 137497), (718, 95750), (766, 89750), (1436, 47875), (1532, 44875), (1795, 38300), (1915, 35900), (3590, 19150), (3830, 17950), (7180, 9575), (7660, 8975)]