204064280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31687}}^1$

素因数の和:31728

約数の個数: 64

約数和(自身を含む): 547568640

約数和(自身を除く): 343504360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 31687, 63374, 126748, 158435, 221809, 253496, 316870, 443618, 633740, 728801, 887236, 1109045, 1267480, 1457602, 1774472, 2218090, 2915204, 3644005, 4436180, 5101607, 5830408, 7288010, 8872360, 10203214, 14576020, 20406428, 25508035, 29152040, 40812856, 51016070, 102032140, 204064280]

約数ペア:

[(1, 204064280), (2, 102032140), (4, 51016070), (5, 40812856), (7, 29152040), (8, 25508035), (10, 20406428), (14, 14576020), (20, 10203214), (23, 8872360), (28, 7288010), (35, 5830408), (40, 5101607), (46, 4436180), (56, 3644005), (70, 2915204), (92, 2218090), (115, 1774472), (140, 1457602), (161, 1267480), (184, 1109045), (230, 887236), (280, 728801), (322, 633740), (460, 443618), (644, 316870), (805, 253496), (920, 221809), (1288, 158435), (1610, 126748), (3220, 63374), (6440, 31687)]