19788900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{65963}}^1$

素因数の和:65980

約数の個数: 36

約数和(自身を含む): 57256752

約数和(自身を除く): 37467852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 65963, 131926, 197889, 263852, 329815, 395778, 659630, 791556, 989445, 1319260, 1649075, 1978890, 3298150, 3957780, 4947225, 6596300, 9894450, 19788900]

約数ペア:

[(1, 19788900), (2, 9894450), (3, 6596300), (4, 4947225), (5, 3957780), (6, 3298150), (10, 1978890), (12, 1649075), (15, 1319260), (20, 989445), (25, 791556), (30, 659630), (50, 395778), (60, 329815), (75, 263852), (100, 197889), (150, 131926), (300, 65963)]