245280500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{25819}}^1$

素因数の和:25857

約数の個数: 48

約数和(自身を含む): 563908800

約数和(自身を除く): 318628300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 25819, 51638, 103276, 129095, 258190, 490561, 516380, 645475, 981122, 1290950, 1962244, 2452805, 2581900, 3227375, 4905610, 6454750, 9811220, 12264025, 12909500, 24528050, 49056100, 61320125, 122640250, 245280500]

約数ペア:

[(1, 245280500), (2, 122640250), (4, 61320125), (5, 49056100), (10, 24528050), (19, 12909500), (20, 12264025), (25, 9811220), (38, 6454750), (50, 4905610), (76, 3227375), (95, 2581900), (100, 2452805), (125, 1962244), (190, 1290950), (250, 981122), (380, 645475), (475, 516380), (500, 490561), (950, 258190), (1900, 129095), (2375, 103276), (4750, 51638), (9500, 25819)]