12389900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6521}}^1$

素因数の和:6554

約数の個数: 36

約数和(自身を含む): 28305480

約数和(自身を除く): 15915580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 6521, 13042, 26084, 32605, 65210, 123899, 130420, 163025, 247798, 326050, 495596, 619495, 652100, 1238990, 2477980, 3097475, 6194950, 12389900]

約数ペア:

[(1, 12389900), (2, 6194950), (4, 3097475), (5, 2477980), (10, 1238990), (19, 652100), (20, 619495), (25, 495596), (38, 326050), (50, 247798), (76, 163025), (95, 130420), (100, 123899), (190, 65210), (380, 32605), (475, 26084), (950, 13042), (1900, 6521)]