202153580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1973}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 437754240

約数和(自身を除く): 235600660

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 436, 470, 545, 940, 1090, 1973, 2180, 3946, 5123, 7892, 9865, 10246, 19730, 20492, 25615, 39460, 51230, 92731, 102460, 185462, 215057, 370924, 430114, 463655, 860228, 927310, 1075285, 1854620, 2150570, 4301140, 10107679, 20215358, 40430716, 50538395, 101076790, 202153580]

約数ペア:

[(1, 202153580), (2, 101076790), (4, 50538395), (5, 40430716), (10, 20215358), (20, 10107679), (47, 4301140), (94, 2150570), (109, 1854620), (188, 1075285), (218, 927310), (235, 860228), (436, 463655), (470, 430114), (545, 370924), (940, 215057), (1090, 185462), (1973, 102460), (2180, 92731), (3946, 51230), (5123, 39460), (7892, 25615), (9865, 20492), (10246, 19730)]