66472420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67829}}^1$

素因数の和:67852

約数の個数: 36

約数和(自身を含む): 162385020

約数和(自身を除く): 95912600

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67829, 135658, 271316, 339145, 474803, 678290, 949606, 1356580, 1899212, 2374015, 3323621, 4748030, 6647242, 9496060, 13294484, 16618105, 33236210, 66472420]

約数ペア:

[(1, 66472420), (2, 33236210), (4, 16618105), (5, 13294484), (7, 9496060), (10, 6647242), (14, 4748030), (20, 3323621), (28, 2374015), (35, 1899212), (49, 1356580), (70, 949606), (98, 678290), (140, 474803), (196, 339145), (245, 271316), (490, 135658), (980, 67829)]