90721010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{28087}}^1$

素因数の和:28130

約数の個数: 32

約数和(自身を含む): 182010240

約数和(自身を除く): 91289230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 28087, 56174, 140435, 280870, 477479, 533653, 954958, 1067306, 2387395, 2668265, 4774790, 5336530, 9072101, 18144202, 45360505, 90721010]

約数ペア:

[(1, 90721010), (2, 45360505), (5, 18144202), (10, 9072101), (17, 5336530), (19, 4774790), (34, 2668265), (38, 2387395), (85, 1067306), (95, 954958), (170, 533653), (190, 477479), (323, 280870), (646, 140435), (1615, 56174), (3230, 28087)]