221796260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1584259}}^1$

素因数の和:1584275

約数の個数: 24

約数和(自身を含む): 532311360

約数和(自身を除く): 310515100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1584259, 3168518, 6337036, 7921295, 11089813, 15842590, 22179626, 31685180, 44359252, 55449065, 110898130, 221796260]

約数ペア:

[(1, 221796260), (2, 110898130), (4, 55449065), (5, 44359252), (7, 31685180), (10, 22179626), (14, 15842590), (20, 11089813), (28, 7921295), (35, 6337036), (70, 3168518), (140, 1584259)]