180889010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{5347}}^1$

素因数の和:5570

約数の個数: 32

約数和(自身を含む): 346550400

約数和(自身を除く): 165661390

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 995, 1990, 3383, 5347, 6766, 10694, 16915, 26735, 33830, 53470, 90899, 181798, 454495, 908990, 1064053, 2128106, 5320265, 10640530, 18088901, 36177802, 90444505, 180889010]

約数ペア:

[(1, 180889010), (2, 90444505), (5, 36177802), (10, 18088901), (17, 10640530), (34, 5320265), (85, 2128106), (170, 1064053), (199, 908990), (398, 454495), (995, 181798), (1990, 90899), (3383, 53470), (5347, 33830), (6766, 26735), (10694, 16915)]