280860412

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 570140928

約数和(自身を除く): 289280516

約数列:

[1, 2, 4, 7, 14, 28, 137, 211, 274, 347, 422, 548, 694, 844, 959, 1388, 1477, 1918, 2429, 2954, 3836, 4858, 5908, 9716, 28907, 47539, 57814, 73217, 95078, 115628, 146434, 190156, 202349, 292868, 332773, 404698, 512519, 665546, 809396, 1025038, 1331092, 2050076, 10030729, 20061458, 40122916, 70215103, 140430206, 280860412]

約数ペア:

[(1, 280860412), (2, 140430206), (4, 70215103), (7, 40122916), (14, 20061458), (28, 10030729), (137, 2050076), (211, 1331092), (274, 1025038), (347, 809396), (422, 665546), (548, 512519), (694, 404698), (844, 332773), (959, 292868), (1388, 202349), (1477, 190156), (1918, 146434), (2429, 115628), (2954, 95078), (3836, 73217), (4858, 57814), (5908, 47539), (9716, 28907)]