2498500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 5765760

約数和(自身を除く): 3267260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 263, 380, 475, 500, 526, 950, 1052, 1315, 1900, 2375, 2630, 4750, 4997, 5260, 6575, 9500, 9994, 13150, 19988, 24985, 26300, 32875, 49970, 65750, 99940, 124925, 131500, 249850, 499700, 624625, 1249250, 2498500]

約数ペア:

[(1, 2498500), (2, 1249250), (4, 624625), (5, 499700), (10, 249850), (19, 131500), (20, 124925), (25, 99940), (38, 65750), (50, 49970), (76, 32875), (95, 26300), (100, 24985), (125, 19988), (190, 13150), (250, 9994), (263, 9500), (380, 6575), (475, 5260), (500, 4997), (526, 4750), (950, 2630), (1052, 2375), (1315, 1900)]