2078590975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{683}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 2798928000

約数和(自身を除く): 720337025

約数列:

[1, 5, 19, 25, 43, 95, 149, 215, 475, 683, 745, 817, 1075, 2831, 3415, 3725, 4085, 6407, 12977, 14155, 17075, 20425, 29369, 32035, 64885, 70775, 101767, 121733, 146845, 160175, 324425, 508835, 558011, 608665, 734225, 1933573, 2544175, 2790055, 3043325, 4375981, 9667865, 13950275, 21879905, 48339325, 83143639, 109399525, 415718195, 2078590975]

約数ペア:

[(1, 2078590975), (5, 415718195), (19, 109399525), (25, 83143639), (43, 48339325), (95, 21879905), (149, 13950275), (215, 9667865), (475, 4375981), (683, 3043325), (745, 2790055), (817, 2544175), (1075, 1933573), (2831, 734225), (3415, 608665), (3725, 558011), (4085, 508835), (6407, 324425), (12977, 160175), (14155, 146845), (17075, 121733), (20425, 101767), (29369, 70775), (32035, 64885)]