7456820

素因数分解:

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

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 18278400

約数和(自身を除く): 10821580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1087, 1372, 1715, 2174, 3430, 4348, 5435, 6860, 7609, 10870, 15218, 21740, 30436, 38045, 53263, 76090, 106526, 152180, 213052, 266315, 372841, 532630, 745682, 1065260, 1491364, 1864205, 3728410, 7456820]

約数ペア:

[(1, 7456820), (2, 3728410), (4, 1864205), (5, 1491364), (7, 1065260), (10, 745682), (14, 532630), (20, 372841), (28, 266315), (35, 213052), (49, 152180), (70, 106526), (98, 76090), (140, 53263), (196, 38045), (245, 30436), (343, 21740), (490, 15218), (686, 10870), (980, 7609), (1087, 6860), (1372, 5435), (1715, 4348), (2174, 3430)]