138752020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{1153}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 318725568

約数和(自身を除く): 179973548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 547, 1094, 1153, 2188, 2306, 2735, 4612, 5470, 5765, 6017, 10940, 11530, 12034, 12683, 23060, 24068, 25366, 30085, 50732, 60170, 63415, 120340, 126830, 253660, 630691, 1261382, 2522764, 3153455, 6306910, 6937601, 12613820, 13875202, 27750404, 34688005, 69376010, 138752020]

約数ペア:

[(1, 138752020), (2, 69376010), (4, 34688005), (5, 27750404), (10, 13875202), (11, 12613820), (20, 6937601), (22, 6306910), (44, 3153455), (55, 2522764), (110, 1261382), (220, 630691), (547, 253660), (1094, 126830), (1153, 120340), (2188, 63415), (2306, 60170), (2735, 50732), (4612, 30085), (5470, 25366), (5765, 24068), (6017, 23060), (10940, 12683), (11530, 12034)]