28374280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1093}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 70891200

約数和(自身を除く): 42516920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1093, 1180, 1298, 2186, 2360, 2596, 3245, 4372, 5192, 5465, 6490, 8744, 10930, 12023, 12980, 21860, 24046, 25960, 43720, 48092, 60115, 64487, 96184, 120230, 128974, 240460, 257948, 322435, 480920, 515896, 644870, 709357, 1289740, 1418714, 2579480, 2837428, 3546785, 5674856, 7093570, 14187140, 28374280]

約数ペア:

[(1, 28374280), (2, 14187140), (4, 7093570), (5, 5674856), (8, 3546785), (10, 2837428), (11, 2579480), (20, 1418714), (22, 1289740), (40, 709357), (44, 644870), (55, 515896), (59, 480920), (88, 322435), (110, 257948), (118, 240460), (220, 128974), (236, 120230), (295, 96184), (440, 64487), (472, 60115), (590, 48092), (649, 43720), (1093, 25960), (1180, 24046), (1298, 21860), (2186, 12980), (2360, 12023), (2596, 10930), (3245, 8744), (4372, 6490), (5192, 5465)]