199459120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1009}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 532019520

約数和(自身を除く): 332560400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 353, 560, 706, 1009, 1412, 1765, 2018, 2471, 2824, 3530, 4036, 4942, 5045, 5648, 7060, 7063, 8072, 9884, 10090, 12355, 14120, 14126, 16144, 19768, 20180, 24710, 28240, 28252, 35315, 39536, 40360, 49420, 56504, 70630, 80720, 98840, 113008, 141260, 197680, 282520, 356177, 565040, 712354, 1424708, 1780885, 2493239, 2849416, 3561770, 4986478, 5698832, 7123540, 9972956, 12466195, 14247080, 19945912, 24932390, 28494160, 39891824, 49864780, 99729560, 199459120]

約数ペア:

[(1, 199459120), (2, 99729560), (4, 49864780), (5, 39891824), (7, 28494160), (8, 24932390), (10, 19945912), (14, 14247080), (16, 12466195), (20, 9972956), (28, 7123540), (35, 5698832), (40, 4986478), (56, 3561770), (70, 2849416), (80, 2493239), (112, 1780885), (140, 1424708), (280, 712354), (353, 565040), (560, 356177), (706, 282520), (1009, 197680), (1412, 141260), (1765, 113008), (2018, 98840), (2471, 80720), (2824, 70630), (3530, 56504), (4036, 49420), (4942, 40360), (5045, 39536), (5648, 35315), (7060, 28252), (7063, 28240), (8072, 24710), (9884, 20180), (10090, 19768), (12355, 16144), (14120, 14126)]