172020575

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 217843200

約数和(自身を除く): 45822625

約数列:

[1, 5, 25, 71, 199, 355, 487, 995, 1775, 2435, 4975, 12175, 14129, 34577, 70645, 96913, 172885, 353225, 484565, 864425, 2422825, 6880823, 34404115, 172020575]

約数ペア:

[(1, 172020575), (5, 34404115), (25, 6880823), (71, 2422825), (199, 864425), (355, 484565), (487, 353225), (995, 172885), (1775, 96913), (2435, 70645), (4975, 34577), (12175, 14129)]