2305820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 5419008

約数和(自身を除く): 3113188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 223, 235, 446, 470, 517, 892, 940, 1034, 1115, 2068, 2230, 2453, 2585, 4460, 4906, 5170, 9812, 10340, 10481, 12265, 20962, 24530, 41924, 49060, 52405, 104810, 115291, 209620, 230582, 461164, 576455, 1152910, 2305820]

約数ペア:

[(1, 2305820), (2, 1152910), (4, 576455), (5, 461164), (10, 230582), (11, 209620), (20, 115291), (22, 104810), (44, 52405), (47, 49060), (55, 41924), (94, 24530), (110, 20962), (188, 12265), (220, 10481), (223, 10340), (235, 9812), (446, 5170), (470, 4906), (517, 4460), (892, 2585), (940, 2453), (1034, 2230), (1115, 2068)]