4215575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 6874560

約数和(自身を除く): 2658985

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 109, 119, 175, 221, 325, 425, 455, 545, 595, 763, 1105, 1417, 1547, 1853, 2275, 2725, 2975, 3815, 5525, 7085, 7735, 9265, 9919, 12971, 19075, 24089, 35425, 38675, 46325, 49595, 64855, 120445, 168623, 247975, 324275, 602225, 843115, 4215575]

約数ペア:

[(1, 4215575), (5, 843115), (7, 602225), (13, 324275), (17, 247975), (25, 168623), (35, 120445), (65, 64855), (85, 49595), (91, 46325), (109, 38675), (119, 35425), (175, 24089), (221, 19075), (325, 12971), (425, 9919), (455, 9265), (545, 7735), (595, 7085), (763, 5525), (1105, 3815), (1417, 2975), (1547, 2725), (1853, 2275)]