109487500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 252640080

約数和(自身を除く): 143152580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 461, 475, 500, 625, 922, 950, 1250, 1844, 1900, 2305, 2375, 2500, 3125, 4610, 4750, 6250, 8759, 9220, 9500, 11525, 11875, 12500, 17518, 23050, 23750, 35036, 43795, 46100, 47500, 57625, 59375, 87590, 115250, 118750, 175180, 218975, 230500, 237500, 288125, 437950, 576250, 875900, 1094875, 1152500, 1440625, 2189750, 2881250, 4379500, 5474375, 5762500, 10948750, 21897500, 27371875, 54743750, 109487500]

約数ペア:

[(1, 109487500), (2, 54743750), (4, 27371875), (5, 21897500), (10, 10948750), (19, 5762500), (20, 5474375), (25, 4379500), (38, 2881250), (50, 2189750), (76, 1440625), (95, 1152500), (100, 1094875), (125, 875900), (190, 576250), (250, 437950), (380, 288125), (461, 237500), (475, 230500), (500, 218975), (625, 175180), (922, 118750), (950, 115250), (1250, 87590), (1844, 59375), (1900, 57625), (2305, 47500), (2375, 46100), (2500, 43795), (3125, 35036), (4610, 23750), (4750, 23050), (6250, 17518), (8759, 12500), (9220, 11875), (9500, 11525)]