204810500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{21559}}^1$

素因数の和:21597

約数の個数: 48

約数和(自身を含む): 470870400

約数和(自身を除く): 266059900

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, 21559, 43118, 86236, 107795, 215590, 409621, 431180, 538975, 819242, 1077950, 1638484, 2048105, 2155900, 2694875, 4096210, 5389750, 8192420, 10240525, 10779500, 20481050, 40962100, 51202625, 102405250, 204810500]

約数ペア:

[(1, 204810500), (2, 102405250), (4, 51202625), (5, 40962100), (10, 20481050), (19, 10779500), (20, 10240525), (25, 8192420), (38, 5389750), (50, 4096210), (76, 2694875), (95, 2155900), (100, 2048105), (125, 1638484), (190, 1077950), (250, 819242), (380, 538975), (475, 431180), (500, 409621), (950, 215590), (1900, 107795), (2375, 86236), (4750, 43118), (9500, 21559)]