86670470

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 158760000

約数和(自身を除く): 72089530

約数列:

[1, 2, 5, 10, 97, 194, 199, 398, 449, 485, 898, 970, 995, 1990, 2245, 4490, 19303, 38606, 43553, 87106, 89351, 96515, 178702, 193030, 217765, 435530, 446755, 893510, 8667047, 17334094, 43335235, 86670470]

約数ペア:

[(1, 86670470), (2, 43335235), (5, 17334094), (10, 8667047), (97, 893510), (194, 446755), (199, 435530), (398, 217765), (449, 193030), (485, 178702), (898, 96515), (970, 89351), (995, 87106), (1990, 43553), (2245, 38606), (4490, 19303)]