209413250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{44087}}^1$

素因数の和:44123

約数の個数: 32

約数和(自身を含む): 412663680

約数和(自身を除く): 203250430

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 44087, 88174, 220435, 440870, 837653, 1102175, 1675306, 2204350, 4188265, 5510875, 8376530, 11021750, 20941325, 41882650, 104706625, 209413250]

約数ペア:

[(1, 209413250), (2, 104706625), (5, 41882650), (10, 20941325), (19, 11021750), (25, 8376530), (38, 5510875), (50, 4188265), (95, 2204350), (125, 1675306), (190, 1102175), (250, 837653), (475, 440870), (950, 220435), (2375, 88174), (4750, 44087)]