28558740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:817

約数の個数: 96

約数和(自身を含む): 92461824

約数和(自身を除く): 63903084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 701, 970, 1164, 1358, 1402, 1455, 1940, 2037, 2103, 2716, 2804, 2910, 3395, 3505, 4074, 4206, 4907, 5820, 6790, 7010, 8148, 8412, 9814, 10185, 10515, 13580, 14020, 14721, 19628, 20370, 21030, 24535, 29442, 40740, 42060, 49070, 58884, 67997, 73605, 98140, 135994, 147210, 203991, 271988, 294420, 339985, 407982, 475979, 679970, 815964, 951958, 1019955, 1359940, 1427937, 1903916, 2039910, 2379895, 2855874, 4079820, 4759790, 5711748, 7139685, 9519580, 14279370, 28558740]

約数ペア:

[(1, 28558740), (2, 14279370), (3, 9519580), (4, 7139685), (5, 5711748), (6, 4759790), (7, 4079820), (10, 2855874), (12, 2379895), (14, 2039910), (15, 1903916), (20, 1427937), (21, 1359940), (28, 1019955), (30, 951958), (35, 815964), (42, 679970), (60, 475979), (70, 407982), (84, 339985), (97, 294420), (105, 271988), (140, 203991), (194, 147210), (210, 135994), (291, 98140), (388, 73605), (420, 67997), (485, 58884), (582, 49070), (679, 42060), (701, 40740), (970, 29442), (1164, 24535), (1358, 21030), (1402, 20370), (1455, 19628), (1940, 14721), (2037, 14020), (2103, 13580), (2716, 10515), (2804, 10185), (2910, 9814), (3395, 8412), (3505, 8148), (4074, 7010), (4206, 6790), (4907, 5820)]