1289778875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1437

約数の個数: 64

約数和(自身を含む): 2027870208

約数和(自身を除く): 738091333

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 103, 125, 175, 275, 385, 515, 721, 875, 1133, 1301, 1375, 1925, 2575, 3605, 5665, 6505, 7931, 9107, 9625, 12875, 14311, 18025, 28325, 32525, 39655, 45535, 71555, 90125, 100177, 134003, 141625, 162625, 198275, 227675, 357775, 500885, 670015, 938021, 991375, 1138375, 1474033, 1788875, 2504425, 3350075, 4690105, 7370165, 10318231, 12522125, 16750375, 23450525, 36850825, 51591155, 117252625, 184254125, 257955775, 1289778875]

約数ペア:

[(1, 1289778875), (5, 257955775), (7, 184254125), (11, 117252625), (25, 51591155), (35, 36850825), (55, 23450525), (77, 16750375), (103, 12522125), (125, 10318231), (175, 7370165), (275, 4690105), (385, 3350075), (515, 2504425), (721, 1788875), (875, 1474033), (1133, 1138375), (1301, 991375), (1375, 938021), (1925, 670015), (2575, 500885), (3605, 357775), (5665, 227675), (6505, 198275), (7931, 162625), (9107, 141625), (9625, 134003), (12875, 100177), (14311, 90125), (18025, 71555), (28325, 45535), (32525, 39655)]