4046980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 9830016

約数和(自身を除く): 5783036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 211, 274, 422, 548, 685, 844, 959, 1055, 1370, 1477, 1918, 2110, 2740, 2954, 3836, 4220, 4795, 5908, 7385, 9590, 14770, 19180, 28907, 29540, 57814, 115628, 144535, 202349, 289070, 404698, 578140, 809396, 1011745, 2023490, 4046980]

約数ペア:

[(1, 4046980), (2, 2023490), (4, 1011745), (5, 809396), (7, 578140), (10, 404698), (14, 289070), (20, 202349), (28, 144535), (35, 115628), (70, 57814), (137, 29540), (140, 28907), (211, 19180), (274, 14770), (422, 9590), (548, 7385), (685, 5908), (844, 4795), (959, 4220), (1055, 3836), (1370, 2954), (1477, 2740), (1918, 2110)]