47047840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:399

約数の個数: 144

約数和(自身を含む): 137291112

約数和(自身を除く): 90243272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 353, 392, 476, 490, 544, 560, 595, 680, 706, 784, 833, 952, 980, 1120, 1190, 1360, 1412, 1568, 1666, 1765, 1904, 1960, 2380, 2471, 2720, 2824, 3332, 3530, 3808, 3920, 4165, 4760, 4942, 5648, 6001, 6664, 7060, 7840, 8330, 9520, 9884, 11296, 12002, 12355, 13328, 14120, 16660, 17297, 19040, 19768, 24004, 24710, 26656, 28240, 30005, 33320, 34594, 39536, 42007, 48008, 49420, 56480, 60010, 66640, 69188, 79072, 84014, 86485, 96016, 98840, 120020, 133280, 138376, 168028, 172970, 192032, 197680, 210035, 240040, 276752, 294049, 336056, 345940, 395360, 420070, 480080, 553504, 588098, 672112, 691880, 840140, 960160, 1176196, 1344224, 1383760, 1470245, 1680280, 2352392, 2767520, 2940490, 3360560, 4704784, 5880980, 6721120, 9409568, 11761960, 23523920, 47047840]

約数ペア:

[(1, 47047840), (2, 23523920), (4, 11761960), (5, 9409568), (7, 6721120), (8, 5880980), (10, 4704784), (14, 3360560), (16, 2940490), (17, 2767520), (20, 2352392), (28, 1680280), (32, 1470245), (34, 1383760), (35, 1344224), (40, 1176196), (49, 960160), (56, 840140), (68, 691880), (70, 672112), (80, 588098), (85, 553504), (98, 480080), (112, 420070), (119, 395360), (136, 345940), (140, 336056), (160, 294049), (170, 276752), (196, 240040), (224, 210035), (238, 197680), (245, 192032), (272, 172970), (280, 168028), (340, 138376), (353, 133280), (392, 120020), (476, 98840), (490, 96016), (544, 86485), (560, 84014), (595, 79072), (680, 69188), (706, 66640), (784, 60010), (833, 56480), (952, 49420), (980, 48008), (1120, 42007), (1190, 39536), (1360, 34594), (1412, 33320), (1568, 30005), (1666, 28240), (1765, 26656), (1904, 24710), (1960, 24004), (2380, 19768), (2471, 19040), (2720, 17297), (2824, 16660), (3332, 14120), (3530, 13328), (3808, 12355), (3920, 12002), (4165, 11296), (4760, 9884), (4942, 9520), (5648, 8330), (6001, 7840), (6664, 7060)]