1969672900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{2137}}^1$

素因数の和:2873

約数の個数: 72

約数和(自身を含む): 4611623240

約数和(自身を除く): 2641950340

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 709, 1300, 1418, 2137, 2836, 3545, 4274, 7090, 8548, 9217, 10685, 14180, 17725, 18434, 21370, 27781, 35450, 36868, 42740, 46085, 53425, 55562, 70900, 92170, 106850, 111124, 138905, 184340, 213700, 230425, 277810, 460850, 555620, 694525, 921700, 1389050, 1515133, 2778100, 3030266, 6060532, 7575665, 15151330, 19696729, 30302660, 37878325, 39393458, 75756650, 78786916, 98483645, 151513300, 196967290, 393934580, 492418225, 984836450, 1969672900]

約数ペア:

[(1, 1969672900), (2, 984836450), (4, 492418225), (5, 393934580), (10, 196967290), (13, 151513300), (20, 98483645), (25, 78786916), (26, 75756650), (50, 39393458), (52, 37878325), (65, 30302660), (100, 19696729), (130, 15151330), (260, 7575665), (325, 6060532), (650, 3030266), (709, 2778100), (1300, 1515133), (1418, 1389050), (2137, 921700), (2836, 694525), (3545, 555620), (4274, 460850), (7090, 277810), (8548, 230425), (9217, 213700), (10685, 184340), (14180, 138905), (17725, 111124), (18434, 106850), (21370, 92170), (27781, 70900), (35450, 55562), (36868, 53425), (42740, 46085)]