28189210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{57529}}^1$

素因数の和:57550

約数の個数: 24

約数和(自身を含む): 59025780

約数和(自身を除く): 30836570

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 57529, 115058, 287645, 402703, 575290, 805406, 2013515, 2818921, 4027030, 5637842, 14094605, 28189210]

約数ペア:

[(1, 28189210), (2, 14094605), (5, 5637842), (7, 4027030), (10, 2818921), (14, 2013515), (35, 805406), (49, 575290), (70, 402703), (98, 287645), (245, 115058), (490, 57529)]