8870470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 19050768

約数和(自身を除く): 10180298

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 421, 430, 490, 602, 842, 1505, 2105, 2107, 2947, 3010, 4210, 4214, 5894, 10535, 14735, 18103, 20629, 21070, 29470, 36206, 41258, 90515, 103145, 126721, 181030, 206290, 253442, 633605, 887047, 1267210, 1774094, 4435235, 8870470]

約数ペア:

[(1, 8870470), (2, 4435235), (5, 1774094), (7, 1267210), (10, 887047), (14, 633605), (35, 253442), (43, 206290), (49, 181030), (70, 126721), (86, 103145), (98, 90515), (215, 41258), (245, 36206), (301, 29470), (421, 21070), (430, 20629), (490, 18103), (602, 14735), (842, 10535), (1505, 5894), (2105, 4214), (2107, 4210), (2947, 3010)]