1283421920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{729217}}^1$

素因数の和:729243

約数の個数: 48

約数和(自身を含む): 3307732848

約数和(自身を除く): 2024310928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 729217, 1458434, 2916868, 3646085, 5833736, 7292170, 8021387, 11667472, 14584340, 16042774, 23334944, 29168680, 32085548, 40106935, 58337360, 64171096, 80213870, 116674720, 128342192, 160427740, 256684384, 320855480, 641710960, 1283421920]

約数ペア:

[(1, 1283421920), (2, 641710960), (4, 320855480), (5, 256684384), (8, 160427740), (10, 128342192), (11, 116674720), (16, 80213870), (20, 64171096), (22, 58337360), (32, 40106935), (40, 32085548), (44, 29168680), (55, 23334944), (80, 16042774), (88, 14584340), (110, 11667472), (160, 8021387), (176, 7292170), (220, 5833736), (352, 3646085), (440, 2916868), (880, 1458434), (1760, 729217)]