209069840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{373339}}^1$

素因数の和:373359

約数の個数: 40

約数和(自身を含む): 555529920

約数和(自身を除く): 346460080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 373339, 746678, 1493356, 1866695, 2613373, 2986712, 3733390, 5226746, 5973424, 7466780, 10453492, 13066865, 14933560, 20906984, 26133730, 29867120, 41813968, 52267460, 104534920, 209069840]

約数ペア:

[(1, 209069840), (2, 104534920), (4, 52267460), (5, 41813968), (7, 29867120), (8, 26133730), (10, 20906984), (14, 14933560), (16, 13066865), (20, 10453492), (28, 7466780), (35, 5973424), (40, 5226746), (56, 3733390), (70, 2986712), (80, 2613373), (112, 1866695), (140, 1493356), (280, 746678), (560, 373339)]