197458900

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{12577}}^1$

素因数の和:12748

約数の個数: 36

約数和(自身を含む): 431249308

約数和(自身を除く): 233790408

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 3140, 3925, 7850, 12577, 15700, 25154, 50308, 62885, 125770, 251540, 314425, 628850, 1257700, 1974589, 3949178, 7898356, 9872945, 19745890, 39491780, 49364725, 98729450, 197458900]

約数ペア:

[(1, 197458900), (2, 98729450), (4, 49364725), (5, 39491780), (10, 19745890), (20, 9872945), (25, 7898356), (50, 3949178), (100, 1974589), (157, 1257700), (314, 628850), (628, 314425), (785, 251540), (1570, 125770), (3140, 62885), (3925, 50308), (7850, 25154), (12577, 15700)]