2945500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 6630624

約数和(自身を除く): 3685124

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 137, 172, 215, 250, 274, 430, 500, 548, 685, 860, 1075, 1370, 2150, 2740, 3425, 4300, 5375, 5891, 6850, 10750, 11782, 13700, 17125, 21500, 23564, 29455, 34250, 58910, 68500, 117820, 147275, 294550, 589100, 736375, 1472750, 2945500]

約数ペア:

[(1, 2945500), (2, 1472750), (4, 736375), (5, 589100), (10, 294550), (20, 147275), (25, 117820), (43, 68500), (50, 58910), (86, 34250), (100, 29455), (125, 23564), (137, 21500), (172, 17125), (215, 13700), (250, 11782), (274, 10750), (430, 6850), (500, 5891), (548, 5375), (685, 4300), (860, 3425), (1075, 2740), (1370, 2150)]