1209486520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2748833}}^1$

素因数の和:2748855

約数の個数: 32

約数和(自身を含む): 2968740720

約数和(自身を除く): 1759254200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2748833, 5497666, 10995332, 13744165, 21990664, 27488330, 30237163, 54976660, 60474326, 109953320, 120948652, 151185815, 241897304, 302371630, 604743260, 1209486520]

約数ペア:

[(1, 1209486520), (2, 604743260), (4, 302371630), (5, 241897304), (8, 151185815), (10, 120948652), (11, 109953320), (20, 60474326), (22, 54976660), (40, 30237163), (44, 27488330), (55, 21990664), (88, 13744165), (110, 10995332), (220, 5497666), (440, 2748833)]