897092440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{1289}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 2050790400

約数和(自身を除く): 1153697960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 137, 254, 274, 508, 548, 635, 685, 1016, 1096, 1270, 1289, 1370, 2540, 2578, 2740, 5080, 5156, 5480, 6445, 10312, 12890, 17399, 25780, 34798, 51560, 69596, 86995, 139192, 163703, 173990, 176593, 327406, 347980, 353186, 654812, 695960, 706372, 818515, 882965, 1309624, 1412744, 1637030, 1765930, 3274060, 3531860, 6548120, 7063720, 22427311, 44854622, 89709244, 112136555, 179418488, 224273110, 448546220, 897092440]

約数ペア:

[(1, 897092440), (2, 448546220), (4, 224273110), (5, 179418488), (8, 112136555), (10, 89709244), (20, 44854622), (40, 22427311), (127, 7063720), (137, 6548120), (254, 3531860), (274, 3274060), (508, 1765930), (548, 1637030), (635, 1412744), (685, 1309624), (1016, 882965), (1096, 818515), (1270, 706372), (1289, 695960), (1370, 654812), (2540, 353186), (2578, 347980), (2740, 327406), (5080, 176593), (5156, 173990), (5480, 163703), (6445, 139192), (10312, 86995), (12890, 69596), (17399, 51560), (25780, 34798)]