68530420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{69929}}^1$

素因数の和:69952

約数の個数: 36

約数和(自身を含む): 167412420

約数和(自身を除く): 98882000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 69929, 139858, 279716, 349645, 489503, 699290, 979006, 1398580, 1958012, 2447515, 3426521, 4895030, 6853042, 9790060, 13706084, 17132605, 34265210, 68530420]

約数ペア:

[(1, 68530420), (2, 34265210), (4, 17132605), (5, 13706084), (7, 9790060), (10, 6853042), (14, 4895030), (20, 3426521), (28, 2447515), (35, 1958012), (49, 1398580), (70, 979006), (98, 699290), (140, 489503), (196, 349645), (245, 279716), (490, 139858), (980, 69929)]