2130520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1087}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 5581440

約数和(自身を除く): 3450920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1087, 1960, 2174, 4348, 5435, 7609, 8696, 10870, 15218, 21740, 30436, 38045, 43480, 53263, 60872, 76090, 106526, 152180, 213052, 266315, 304360, 426104, 532630, 1065260, 2130520]

約数ペア:

[(1, 2130520), (2, 1065260), (4, 532630), (5, 426104), (7, 304360), (8, 266315), (10, 213052), (14, 152180), (20, 106526), (28, 76090), (35, 60872), (40, 53263), (49, 43480), (56, 38045), (70, 30436), (98, 21740), (140, 15218), (196, 10870), (245, 8696), (280, 7609), (392, 5435), (490, 4348), (980, 2174), (1087, 1960)]