2015657275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 2871445680

約数和(自身を除く): 855788405

約数列:

[1, 5, 17, 19, 25, 47, 85, 95, 113, 235, 323, 425, 475, 565, 799, 893, 1175, 1615, 1921, 2147, 2209, 2825, 3995, 4465, 5311, 8075, 9605, 10735, 11045, 15181, 19975, 22325, 26555, 36499, 37553, 41971, 48025, 53675, 55225, 75905, 90287, 100909, 132775, 182495, 187765, 209855, 249617, 379525, 451435, 504545, 713507, 912475, 938825, 1049275, 1248085, 1715453, 2257175, 2522725, 3567535, 4243489, 4742723, 6240425, 8577265, 17837675, 21217445, 23713615, 42886325, 80626291, 106087225, 118568075, 403131455, 2015657275]

約数ペア:

[(1, 2015657275), (5, 403131455), (17, 118568075), (19, 106087225), (25, 80626291), (47, 42886325), (85, 23713615), (95, 21217445), (113, 17837675), (235, 8577265), (323, 6240425), (425, 4742723), (475, 4243489), (565, 3567535), (799, 2522725), (893, 2257175), (1175, 1715453), (1615, 1248085), (1921, 1049275), (2147, 938825), (2209, 912475), (2825, 713507), (3995, 504545), (4465, 451435), (5311, 379525), (8075, 249617), (9605, 209855), (10735, 187765), (11045, 182495), (15181, 132775), (19975, 100909), (22325, 90287), (26555, 75905), (36499, 55225), (37553, 53675), (41971, 48025)]