268713025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 401902848

約数和(自身を除く): 133189823

約数列:

[1, 5, 7, 23, 25, 35, 101, 115, 161, 175, 505, 575, 661, 707, 805, 2323, 2525, 3305, 3535, 4025, 4627, 11615, 15203, 16261, 16525, 17675, 23135, 58075, 66761, 76015, 81305, 106421, 115675, 333805, 380075, 406525, 467327, 532105, 1535503, 1669025, 2336635, 2660525, 7677515, 10748521, 11683175, 38387575, 53742605, 268713025]

約数ペア:

[(1, 268713025), (5, 53742605), (7, 38387575), (23, 11683175), (25, 10748521), (35, 7677515), (101, 2660525), (115, 2336635), (161, 1669025), (175, 1535503), (505, 532105), (575, 467327), (661, 406525), (707, 380075), (805, 333805), (2323, 115675), (2525, 106421), (3305, 81305), (3535, 76015), (4025, 66761), (4627, 58075), (11615, 23135), (15203, 17675), (16261, 16525)]