209213640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{581149}}^1$

素因数の和:581166

約数の個数: 48

約数和(自身を含む): 679945500

約数和(自身を除く): 470731860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 581149, 1162298, 1743447, 2324596, 2905745, 3486894, 4649192, 5230341, 5811490, 6973788, 8717235, 10460682, 11622980, 13947576, 17434470, 20921364, 23245960, 26151705, 34868940, 41842728, 52303410, 69737880, 104606820, 209213640]

約数ペア:

[(1, 209213640), (2, 104606820), (3, 69737880), (4, 52303410), (5, 41842728), (6, 34868940), (8, 26151705), (9, 23245960), (10, 20921364), (12, 17434470), (15, 13947576), (18, 11622980), (20, 10460682), (24, 8717235), (30, 6973788), (36, 5811490), (40, 5230341), (45, 4649192), (60, 3486894), (72, 2905745), (90, 2324596), (120, 1743447), (180, 1162298), (360, 581149)]