72618980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{74101}}^1$

素因数の和:74124

約数の個数: 36

約数和(自身を含む): 177400188

約数和(自身を除く): 104781208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 74101, 148202, 296404, 370505, 518707, 741010, 1037414, 1482020, 2074828, 2593535, 3630949, 5187070, 7261898, 10374140, 14523796, 18154745, 36309490, 72618980]

約数ペア:

[(1, 72618980), (2, 36309490), (4, 18154745), (5, 14523796), (7, 10374140), (10, 7261898), (14, 5187070), (20, 3630949), (28, 2593535), (35, 2074828), (49, 1482020), (70, 1037414), (98, 741010), (140, 518707), (196, 370505), (245, 296404), (490, 148202), (980, 74101)]