205720610

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 377913600

約数和(自身を除く): 172192990

約数列:

[1, 2, 5, 10, 59, 118, 295, 431, 590, 809, 862, 1618, 2155, 4045, 4310, 8090, 25429, 47731, 50858, 95462, 127145, 238655, 254290, 348679, 477310, 697358, 1743395, 3486790, 20572061, 41144122, 102860305, 205720610]

約数ペア:

[(1, 205720610), (2, 102860305), (5, 41144122), (10, 20572061), (59, 3486790), (118, 1743395), (295, 697358), (431, 477310), (590, 348679), (809, 254290), (862, 238655), (1618, 127145), (2155, 95462), (4045, 50858), (4310, 47731), (8090, 25429)]