205509080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25309}}^1$

素因数の和:25356

約数の個数: 64

約数和(自身を含む): 546696000

約数和(自身を除く): 341186920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 25309, 50618, 101236, 126545, 177163, 202472, 253090, 354326, 506180, 708652, 733961, 885815, 1012360, 1417304, 1467922, 1771630, 2935844, 3543260, 3669805, 5137727, 5871688, 7086520, 7339610, 10275454, 14679220, 20550908, 25688635, 29358440, 41101816, 51377270, 102754540, 205509080]

約数ペア:

[(1, 205509080), (2, 102754540), (4, 51377270), (5, 41101816), (7, 29358440), (8, 25688635), (10, 20550908), (14, 14679220), (20, 10275454), (28, 7339610), (29, 7086520), (35, 5871688), (40, 5137727), (56, 3669805), (58, 3543260), (70, 2935844), (116, 1771630), (140, 1467922), (145, 1417304), (203, 1012360), (232, 885815), (280, 733961), (290, 708652), (406, 506180), (580, 354326), (812, 253090), (1015, 202472), (1160, 177163), (1624, 126545), (2030, 101236), (4060, 50618), (8120, 25309)]