821870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 1728000

約数和(自身を除く): 906130

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 199, 295, 398, 413, 590, 826, 995, 1393, 1990, 2065, 2786, 4130, 6965, 11741, 13930, 23482, 58705, 82187, 117410, 164374, 410935, 821870]

約数ペア:

[(1, 821870), (2, 410935), (5, 164374), (7, 117410), (10, 82187), (14, 58705), (35, 23482), (59, 13930), (70, 11741), (118, 6965), (199, 4130), (295, 2786), (398, 2065), (413, 1990), (590, 1393), (826, 995)]