89390140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{638501}}^1$

素因数の和:638517

約数の個数: 24

約数和(自身を含む): 214536672

約数和(自身を除く): 125146532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 638501, 1277002, 2554004, 3192505, 4469507, 6385010, 8939014, 12770020, 17878028, 22347535, 44695070, 89390140]

約数ペア:

[(1, 89390140), (2, 44695070), (4, 22347535), (5, 17878028), (7, 12770020), (10, 8939014), (14, 6385010), (20, 4469507), (28, 3192505), (35, 2554004), (70, 1277002), (140, 638501)]