68802860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{70207}}^1$

素因数の和:70230

約数の個数: 36

約数和(自身を含む): 168077952

約数和(自身を除く): 99275092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 70207, 140414, 280828, 351035, 491449, 702070, 982898, 1404140, 1965796, 2457245, 3440143, 4914490, 6880286, 9828980, 13760572, 17200715, 34401430, 68802860]

約数ペア:

[(1, 68802860), (2, 34401430), (4, 17200715), (5, 13760572), (7, 9828980), (10, 6880286), (14, 4914490), (20, 3440143), (28, 2457245), (35, 1965796), (49, 1404140), (70, 982898), (98, 702070), (140, 491449), (196, 351035), (245, 280828), (490, 140414), (980, 70207)]