81641140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34303}}^1$

素因数の和:34336

約数の個数: 48

約数和(自身を含む): 207470592

約数和(自身を除く): 125829452

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 34303, 68606, 137212, 171515, 240121, 343030, 480242, 583151, 686060, 960484, 1166302, 1200605, 2332604, 2401210, 2915755, 4082057, 4802420, 5831510, 8164114, 11663020, 16328228, 20410285, 40820570, 81641140]

約数ペア:

[(1, 81641140), (2, 40820570), (4, 20410285), (5, 16328228), (7, 11663020), (10, 8164114), (14, 5831510), (17, 4802420), (20, 4082057), (28, 2915755), (34, 2401210), (35, 2332604), (68, 1200605), (70, 1166302), (85, 960484), (119, 686060), (140, 583151), (170, 480242), (238, 343030), (340, 240121), (476, 171515), (595, 137212), (1190, 68606), (2380, 34303)]