90928420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2309}}^1$

素因数の和:2508

約数の個数: 48

約数和(自身を含む): 209563200

約数和(自身を除く): 118634780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 2309, 3580, 3938, 4618, 7876, 9236, 9845, 11545, 19690, 23090, 25399, 39380, 46180, 50798, 101596, 126995, 253990, 413311, 507980, 826622, 1653244, 2066555, 4133110, 4546421, 8266220, 9092842, 18185684, 22732105, 45464210, 90928420]

約数ペア:

[(1, 90928420), (2, 45464210), (4, 22732105), (5, 18185684), (10, 9092842), (11, 8266220), (20, 4546421), (22, 4133110), (44, 2066555), (55, 1653244), (110, 826622), (179, 507980), (220, 413311), (358, 253990), (716, 126995), (895, 101596), (1790, 50798), (1969, 46180), (2309, 39380), (3580, 25399), (3938, 23090), (4618, 19690), (7876, 11545), (9236, 9845)]