542781575

素因数分解:

$5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 817541424

約数和(自身を除く): 274759849

約数列:

[1, 5, 7, 25, 35, 41, 49, 101, 107, 175, 205, 245, 287, 505, 535, 707, 749, 1025, 1225, 1435, 2009, 2525, 2675, 3535, 3745, 4141, 4387, 4949, 5243, 7175, 10045, 10807, 17675, 18725, 20705, 21935, 24745, 26215, 28987, 30709, 50225, 54035, 75649, 103525, 109675, 123725, 131075, 144935, 153545, 202909, 214963, 270175, 378245, 443087, 529543, 724675, 767725, 1014545, 1074815, 1891225, 2215435, 2647715, 3101609, 5072725, 5374075, 11077175, 13238575, 15508045, 21711263, 77540225, 108556315, 542781575]

約数ペア:

[(1, 542781575), (5, 108556315), (7, 77540225), (25, 21711263), (35, 15508045), (41, 13238575), (49, 11077175), (101, 5374075), (107, 5072725), (175, 3101609), (205, 2647715), (245, 2215435), (287, 1891225), (505, 1074815), (535, 1014545), (707, 767725), (749, 724675), (1025, 529543), (1225, 443087), (1435, 378245), (2009, 270175), (2525, 214963), (2675, 202909), (3535, 153545), (3745, 144935), (4141, 131075), (4387, 123725), (4949, 109675), (5243, 103525), (7175, 75649), (10045, 54035), (10807, 50225), (17675, 30709), (18725, 28987), (20705, 26215), (21935, 24745)]