206521180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{3457}}^1$

素因数の和:3598

約数の個数: 48

約数和(自身を含む): 453136320

約数和(自身を除く): 246615140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 412, 515, 580, 1030, 2060, 2987, 3457, 5974, 6914, 11948, 13828, 14935, 17285, 29870, 34570, 59740, 69140, 100253, 200506, 356071, 401012, 501265, 712142, 1002530, 1424284, 1780355, 2005060, 3560710, 7121420, 10326059, 20652118, 41304236, 51630295, 103260590, 206521180]

約数ペア:

[(1, 206521180), (2, 103260590), (4, 51630295), (5, 41304236), (10, 20652118), (20, 10326059), (29, 7121420), (58, 3560710), (103, 2005060), (116, 1780355), (145, 1424284), (206, 1002530), (290, 712142), (412, 501265), (515, 401012), (580, 356071), (1030, 200506), (2060, 100253), (2987, 69140), (3457, 59740), (5974, 34570), (6914, 29870), (11948, 17285), (13828, 14935)]