61897400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 144734040

約数和(自身を除く): 82836640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1571, 1576, 1970, 3142, 3940, 4925, 6284, 7855, 7880, 9850, 12568, 15710, 19700, 31420, 39275, 39400, 62840, 78550, 157100, 309487, 314200, 618974, 1237948, 1547435, 2475896, 3094870, 6189740, 7737175, 12379480, 15474350, 30948700, 61897400]

約数ペア:

[(1, 61897400), (2, 30948700), (4, 15474350), (5, 12379480), (8, 7737175), (10, 6189740), (20, 3094870), (25, 2475896), (40, 1547435), (50, 1237948), (100, 618974), (197, 314200), (200, 309487), (394, 157100), (788, 78550), (985, 62840), (1571, 39400), (1576, 39275), (1970, 31420), (3142, 19700), (3940, 15710), (4925, 12568), (6284, 9850), (7855, 7880)]