251221100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193247}}^1$

素因数の和:193274

約数の個数: 36

約数和(自身を含む): 587087424

約数和(自身を除く): 335866324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 193247, 386494, 772988, 966235, 1932470, 2512211, 3864940, 4831175, 5024422, 9662350, 10048844, 12561055, 19324700, 25122110, 50244220, 62805275, 125610550, 251221100]

約数ペア:

[(1, 251221100), (2, 125610550), (4, 62805275), (5, 50244220), (10, 25122110), (13, 19324700), (20, 12561055), (25, 10048844), (26, 9662350), (50, 5024422), (52, 4831175), (65, 3864940), (100, 2512211), (130, 1932470), (260, 966235), (325, 772988), (650, 386494), (1300, 193247)]