31460754220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1140709}}^1$

素因数の和:1140922

約数の個数: 48

約数和(自身を含む): 75889154880

約数和(自身を除く): 44428400660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 27580, 1140709, 2281418, 4562836, 5703545, 7984963, 11407090, 15969926, 22814180, 31939852, 39924815, 79849630, 159699260, 224719673, 449439346, 898878692, 1123598365, 1573037711, 2247196730, 3146075422, 4494393460, 6292150844, 7865188555, 15730377110, 31460754220]

約数ペア:

[(1, 31460754220), (2, 15730377110), (4, 7865188555), (5, 6292150844), (7, 4494393460), (10, 3146075422), (14, 2247196730), (20, 1573037711), (28, 1123598365), (35, 898878692), (70, 449439346), (140, 224719673), (197, 159699260), (394, 79849630), (788, 39924815), (985, 31939852), (1379, 22814180), (1970, 15969926), (2758, 11407090), (3940, 7984963), (5516, 5703545), (6895, 4562836), (13790, 2281418), (27580, 1140709)]