28500304

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 67852800

約数和(自身を除く): 39352496

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 59, 76, 112, 118, 133, 152, 227, 236, 266, 304, 413, 454, 472, 532, 826, 908, 944, 1064, 1121, 1589, 1652, 1816, 2128, 2242, 3178, 3304, 3632, 4313, 4484, 6356, 6608, 7847, 8626, 8968, 12712, 13393, 15694, 17252, 17936, 25424, 26786, 30191, 31388, 34504, 53572, 60382, 62776, 69008, 93751, 107144, 120764, 125552, 187502, 214288, 241528, 254467, 375004, 483056, 508934, 750008, 1017868, 1500016, 1781269, 2035736, 3562538, 4071472, 7125076, 14250152, 28500304]

約数ペア:

[(1, 28500304), (2, 14250152), (4, 7125076), (7, 4071472), (8, 3562538), (14, 2035736), (16, 1781269), (19, 1500016), (28, 1017868), (38, 750008), (56, 508934), (59, 483056), (76, 375004), (112, 254467), (118, 241528), (133, 214288), (152, 187502), (227, 125552), (236, 120764), (266, 107144), (304, 93751), (413, 69008), (454, 62776), (472, 60382), (532, 53572), (826, 34504), (908, 31388), (944, 30191), (1064, 26786), (1121, 25424), (1589, 17936), (1652, 17252), (1816, 15694), (2128, 13393), (2242, 12712), (3178, 8968), (3304, 8626), (3632, 7847), (4313, 6608), (4484, 6356)]