4447520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 13825728

約数和(自身を除く): 9378208

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 304, 308, 352, 361, 380, 385, 418, 440, 532, 560, 608, 616, 665, 722, 760, 770, 836, 880, 1045, 1064, 1120, 1232, 1330, 1444, 1463, 1520, 1540, 1672, 1760, 1805, 2090, 2128, 2464, 2527, 2660, 2888, 2926, 3040, 3080, 3344, 3610, 3971, 4180, 4256, 5054, 5320, 5776, 5852, 6160, 6688, 7220, 7315, 7942, 8360, 10108, 10640, 11552, 11704, 12320, 12635, 14440, 14630, 15884, 16720, 19855, 20216, 21280, 23408, 25270, 27797, 28880, 29260, 31768, 33440, 39710, 40432, 46816, 50540, 55594, 57760, 58520, 63536, 79420, 80864, 101080, 111188, 117040, 127072, 138985, 158840, 202160, 222376, 234080, 277970, 317680, 404320, 444752, 555940, 635360, 889504, 1111880, 2223760, 4447520]

約数ペア:

[(1, 4447520), (2, 2223760), (4, 1111880), (5, 889504), (7, 635360), (8, 555940), (10, 444752), (11, 404320), (14, 317680), (16, 277970), (19, 234080), (20, 222376), (22, 202160), (28, 158840), (32, 138985), (35, 127072), (38, 117040), (40, 111188), (44, 101080), (55, 80864), (56, 79420), (70, 63536), (76, 58520), (77, 57760), (80, 55594), (88, 50540), (95, 46816), (110, 40432), (112, 39710), (133, 33440), (140, 31768), (152, 29260), (154, 28880), (160, 27797), (176, 25270), (190, 23408), (209, 21280), (220, 20216), (224, 19855), (266, 16720), (280, 15884), (304, 14630), (308, 14440), (352, 12635), (361, 12320), (380, 11704), (385, 11552), (418, 10640), (440, 10108), (532, 8360), (560, 7942), (608, 7315), (616, 7220), (665, 6688), (722, 6160), (760, 5852), (770, 5776), (836, 5320), (880, 5054), (1045, 4256), (1064, 4180), (1120, 3971), (1232, 3610), (1330, 3344), (1444, 3080), (1463, 3040), (1520, 2926), (1540, 2888), (1672, 2660), (1760, 2527), (1805, 2464), (2090, 2128)]