214280980

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{9661}}^1$

素因数の和:10779

約数の個数: 24

約数和(自身を含む): 450442440

約数和(自身を除く): 236161460

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 9661, 11090, 19322, 22180, 38644, 48305, 96610, 193220, 10714049, 21428098, 42856196, 53570245, 107140490, 214280980]

約数ペア:

[(1, 214280980), (2, 107140490), (4, 53570245), (5, 42856196), (10, 21428098), (20, 10714049), (1109, 193220), (2218, 96610), (4436, 48305), (5545, 38644), (9661, 22180), (11090, 19322)]