2688500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 6202560

約数和(自身を除く): 3514060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 283, 380, 475, 500, 566, 950, 1132, 1415, 1900, 2375, 2830, 4750, 5377, 5660, 7075, 9500, 10754, 14150, 21508, 26885, 28300, 35375, 53770, 70750, 107540, 134425, 141500, 268850, 537700, 672125, 1344250, 2688500]

約数ペア:

[(1, 2688500), (2, 1344250), (4, 672125), (5, 537700), (10, 268850), (19, 141500), (20, 134425), (25, 107540), (38, 70750), (50, 53770), (76, 35375), (95, 28300), (100, 26885), (125, 21508), (190, 14150), (250, 10754), (283, 9500), (380, 7075), (475, 5660), (500, 5377), (566, 4750), (950, 2830), (1132, 2375), (1415, 1900)]