29915320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 69750720

約数和(自身を除く): 39835400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 137, 206, 212, 265, 274, 412, 424, 515, 530, 548, 685, 824, 1030, 1060, 1096, 1370, 2060, 2120, 2740, 4120, 5459, 5480, 7261, 10918, 14111, 14522, 21836, 27295, 28222, 29044, 36305, 43672, 54590, 56444, 58088, 70555, 72610, 109180, 112888, 141110, 145220, 218360, 282220, 290440, 564440, 747883, 1495766, 2991532, 3739415, 5983064, 7478830, 14957660, 29915320]

約数ペア:

[(1, 29915320), (2, 14957660), (4, 7478830), (5, 5983064), (8, 3739415), (10, 2991532), (20, 1495766), (40, 747883), (53, 564440), (103, 290440), (106, 282220), (137, 218360), (206, 145220), (212, 141110), (265, 112888), (274, 109180), (412, 72610), (424, 70555), (515, 58088), (530, 56444), (548, 54590), (685, 43672), (824, 36305), (1030, 29044), (1060, 28222), (1096, 27295), (1370, 21836), (2060, 14522), (2120, 14111), (2740, 10918), (4120, 7261), (5459, 5480)]