260790455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 340899840

約数和(自身を除く): 80109385

約数列:

[1, 5, 17, 71, 79, 85, 355, 395, 547, 1207, 1343, 2735, 5609, 6035, 6715, 9299, 28045, 38837, 43213, 46495, 95353, 194185, 216065, 476765, 660229, 734621, 3068123, 3301145, 3673105, 15340615, 52158091, 260790455]

約数ペア:

[(1, 260790455), (5, 52158091), (17, 15340615), (71, 3673105), (79, 3301145), (85, 3068123), (355, 734621), (395, 660229), (547, 476765), (1207, 216065), (1343, 194185), (2735, 95353), (5609, 46495), (6035, 43213), (6715, 38837), (9299, 28045)]