542306875

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 60

約数和(自身を含む): 762843312

約数和(自身を除く): 220536437

約数列:

[1, 5, 11, 25, 55, 71, 101, 121, 125, 275, 355, 505, 605, 625, 781, 1111, 1375, 1775, 2525, 3025, 3905, 5555, 6875, 7171, 8591, 8875, 12221, 12625, 15125, 19525, 27775, 35855, 42955, 44375, 61105, 63125, 75625, 78881, 97625, 138875, 179275, 214775, 305525, 394405, 488125, 694375, 867691, 896375, 1073875, 1527625, 1972025, 4338455, 4481875, 5369375, 7638125, 9860125, 21692275, 49300625, 108461375, 542306875]

約数ペア:

[(1, 542306875), (5, 108461375), (11, 49300625), (25, 21692275), (55, 9860125), (71, 7638125), (101, 5369375), (121, 4481875), (125, 4338455), (275, 1972025), (355, 1527625), (505, 1073875), (605, 896375), (625, 867691), (781, 694375), (1111, 488125), (1375, 394405), (1775, 305525), (2525, 214775), (3025, 179275), (3905, 138875), (5555, 97625), (6875, 78881), (7171, 75625), (8591, 63125), (8875, 61105), (12221, 44375), (12625, 42955), (15125, 35855), (19525, 27775)]