489448510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{25639}}^1$

素因数の和:25752

約数の個数: 32

約数和(自身を含む): 930424320

約数和(自身を除く): 440975810

約数列:

[1, 2, 5, 10, 23, 46, 83, 115, 166, 230, 415, 830, 1909, 3818, 9545, 19090, 25639, 51278, 128195, 256390, 589697, 1179394, 2128037, 2948485, 4256074, 5896970, 10640185, 21280370, 48944851, 97889702, 244724255, 489448510]

約数ペア:

[(1, 489448510), (2, 244724255), (5, 97889702), (10, 48944851), (23, 21280370), (46, 10640185), (83, 5896970), (115, 4256074), (166, 2948485), (230, 2128037), (415, 1179394), (830, 589697), (1909, 256390), (3818, 128195), (9545, 51278), (19090, 25639)]