2446820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 5564160

約数和(自身を除く): 3117340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 137, 188, 190, 235, 274, 380, 470, 548, 685, 893, 940, 1370, 1786, 2603, 2740, 3572, 4465, 5206, 6439, 8930, 10412, 12878, 13015, 17860, 25756, 26030, 32195, 52060, 64390, 122341, 128780, 244682, 489364, 611705, 1223410, 2446820]

約数ペア:

[(1, 2446820), (2, 1223410), (4, 611705), (5, 489364), (10, 244682), (19, 128780), (20, 122341), (38, 64390), (47, 52060), (76, 32195), (94, 26030), (95, 25756), (137, 17860), (188, 13015), (190, 12878), (235, 10412), (274, 8930), (380, 6439), (470, 5206), (548, 4465), (685, 3572), (893, 2740), (940, 2603), (1370, 1786)]