28779730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2087}}^1$

素因数の和:2298

約数の個数: 32

約数和(自身を含む): 59533056

約数和(自身を除く): 30753326

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2087, 2758, 4174, 6895, 10435, 13790, 14609, 20870, 29218, 73045, 146090, 411139, 822278, 2055695, 2877973, 4111390, 5755946, 14389865, 28779730]

約数ペア:

[(1, 28779730), (2, 14389865), (5, 5755946), (7, 4111390), (10, 2877973), (14, 2055695), (35, 822278), (70, 411139), (197, 146090), (394, 73045), (985, 29218), (1379, 20870), (1970, 14609), (2087, 13790), (2758, 10435), (4174, 6895)]