977882750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1559}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 1982897280

約数和(自身を除く): 1005014530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 193, 250, 325, 386, 650, 965, 1559, 1625, 1930, 2509, 3118, 3250, 4825, 5018, 7795, 9650, 12545, 15590, 20267, 24125, 25090, 38975, 40534, 48250, 62725, 77950, 101335, 125450, 194875, 202670, 300887, 313625, 389750, 506675, 601774, 627250, 1013350, 1504435, 2533375, 3008870, 3911531, 5066750, 7522175, 7823062, 15044350, 19557655, 37610875, 39115310, 75221750, 97788275, 195576550, 488941375, 977882750]

約数ペア:

[(1, 977882750), (2, 488941375), (5, 195576550), (10, 97788275), (13, 75221750), (25, 39115310), (26, 37610875), (50, 19557655), (65, 15044350), (125, 7823062), (130, 7522175), (193, 5066750), (250, 3911531), (325, 3008870), (386, 2533375), (650, 1504435), (965, 1013350), (1559, 627250), (1625, 601774), (1930, 506675), (2509, 389750), (3118, 313625), (3250, 300887), (4825, 202670), (5018, 194875), (7795, 125450), (9650, 101335), (12545, 77950), (15590, 62725), (20267, 48250), (24125, 40534), (25090, 38975)]