210540740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{256757}}^1$

素因数の和:256807

約数の個数: 24

約数和(自身を含む): 452921112

約数和(自身を除く): 242380372

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 256757, 513514, 1027028, 1283785, 2567570, 5135140, 10527037, 21054074, 42108148, 52635185, 105270370, 210540740]

約数ペア:

[(1, 210540740), (2, 105270370), (4, 52635185), (5, 42108148), (10, 21054074), (20, 10527037), (41, 5135140), (82, 2567570), (164, 1283785), (205, 1027028), (410, 513514), (820, 256757)]