199906250

素因数分解:

$2^1\times 5^6\times {\mathrm{6397}}^1$

素因数の和:6429

約数の個数: 28

約数和(自身を含む): 374878014

約数和(自身を除く): 174971764

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3125, 6250, 6397, 12794, 15625, 31250, 31985, 63970, 159925, 319850, 799625, 1599250, 3998125, 7996250, 19990625, 39981250, 99953125, 199906250]

約数ペア:

[(1, 199906250), (2, 99953125), (5, 39981250), (10, 19990625), (25, 7996250), (50, 3998125), (125, 1599250), (250, 799625), (625, 319850), (1250, 159925), (3125, 63970), (6250, 31985), (6397, 31250), (12794, 15625)]