4036780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 9434880

約数和(自身を除く): 5398100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 311, 590, 622, 649, 1180, 1244, 1298, 1555, 2596, 3110, 3245, 3421, 6220, 6490, 6842, 12980, 13684, 17105, 18349, 34210, 36698, 68420, 73396, 91745, 183490, 201839, 366980, 403678, 807356, 1009195, 2018390, 4036780]

約数ペア:

[(1, 4036780), (2, 2018390), (4, 1009195), (5, 807356), (10, 403678), (11, 366980), (20, 201839), (22, 183490), (44, 91745), (55, 73396), (59, 68420), (110, 36698), (118, 34210), (220, 18349), (236, 17105), (295, 13684), (311, 12980), (590, 6842), (622, 6490), (649, 6220), (1180, 3421), (1244, 3245), (1298, 3110), (1555, 2596)]