219065140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1564751}}^1$

素因数の和:1564767

約数の個数: 24

約数和(自身を含む): 525756672

約数和(自身を除く): 306691532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1564751, 3129502, 6259004, 7823755, 10953257, 15647510, 21906514, 31295020, 43813028, 54766285, 109532570, 219065140]

約数ペア:

[(1, 219065140), (2, 109532570), (4, 54766285), (5, 43813028), (7, 31295020), (10, 21906514), (14, 15647510), (20, 10953257), (28, 7823755), (35, 6259004), (70, 3129502), (140, 1564751)]