171960620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12479}}^1$

素因数の和:12554

約数の個数: 48

約数和(自身を含む): 396264960

約数和(自身を除く): 224304340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 12479, 13780, 24958, 49916, 62395, 124790, 162227, 249580, 324454, 648908, 661387, 811135, 1322774, 1622270, 2645548, 3244540, 3306935, 6613870, 8598031, 13227740, 17196062, 34392124, 42990155, 85980310, 171960620]

約数ペア:

[(1, 171960620), (2, 85980310), (4, 42990155), (5, 34392124), (10, 17196062), (13, 13227740), (20, 8598031), (26, 6613870), (52, 3306935), (53, 3244540), (65, 2645548), (106, 1622270), (130, 1322774), (212, 811135), (260, 661387), (265, 648908), (530, 324454), (689, 249580), (1060, 162227), (1378, 124790), (2756, 62395), (3445, 49916), (6890, 24958), (12479, 13780)]