551465320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1969519}}^1$

素因数の和:1969537

約数の個数: 32

約数和(自身を含む): 1418054400

約数和(自身を除く): 866589080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1969519, 3939038, 7878076, 9847595, 13786633, 15756152, 19695190, 27573266, 39390380, 55146532, 68933165, 78780760, 110293064, 137866330, 275732660, 551465320]

約数ペア:

[(1, 551465320), (2, 275732660), (4, 137866330), (5, 110293064), (7, 78780760), (8, 68933165), (10, 55146532), (14, 39390380), (20, 27573266), (28, 19695190), (35, 15756152), (40, 13786633), (56, 9847595), (70, 7878076), (140, 3939038), (280, 1969519)]