489478700

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{12583}}^1$

素因数の和:12986

約数の個数: 36

約数和(自身を含む): 1064983920

約数和(自身を除く): 575505220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1556, 1945, 3890, 7780, 9725, 12583, 19450, 25166, 38900, 50332, 62915, 125830, 251660, 314575, 629150, 1258300, 4894787, 9789574, 19579148, 24473935, 48947870, 97895740, 122369675, 244739350, 489478700]

約数ペア:

[(1, 489478700), (2, 244739350), (4, 122369675), (5, 97895740), (10, 48947870), (20, 24473935), (25, 19579148), (50, 9789574), (100, 4894787), (389, 1258300), (778, 629150), (1556, 314575), (1945, 251660), (3890, 125830), (7780, 62915), (9725, 50332), (12583, 38900), (19450, 25166)]