98180860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{24919}}^1$

素因数の和:25125

約数の個数: 24

約数和(自身を含む): 207234720

約数和(自身を除く): 109053860

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 24919, 49838, 99676, 124595, 249190, 498380, 4909043, 9818086, 19636172, 24545215, 49090430, 98180860]

約数ペア:

[(1, 98180860), (2, 49090430), (4, 24545215), (5, 19636172), (10, 9818086), (20, 4909043), (197, 498380), (394, 249190), (788, 124595), (985, 99676), (1970, 49838), (3940, 24919)]