19933900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28477}}^1$

素因数の和:28498

約数の個数: 36

約数和(自身を含む): 49437808

約数和(自身を除く): 29503908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28477, 56954, 113908, 142385, 199339, 284770, 398678, 569540, 711925, 797356, 996695, 1423850, 1993390, 2847700, 3986780, 4983475, 9966950, 19933900]

約数ペア:

[(1, 19933900), (2, 9966950), (4, 4983475), (5, 3986780), (7, 2847700), (10, 1993390), (14, 1423850), (20, 996695), (25, 797356), (28, 711925), (35, 569540), (50, 398678), (70, 284770), (100, 199339), (140, 142385), (175, 113908), (350, 56954), (700, 28477)]