28217140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28793}}^1$

素因数の和:28816

約数の個数: 36

約数和(自身を含む): 68932836

約数和(自身を除く): 40715696

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28793, 57586, 115172, 143965, 201551, 287930, 403102, 575860, 806204, 1007755, 1410857, 2015510, 2821714, 4031020, 5643428, 7054285, 14108570, 28217140]

約数ペア:

[(1, 28217140), (2, 14108570), (4, 7054285), (5, 5643428), (7, 4031020), (10, 2821714), (14, 2015510), (20, 1410857), (28, 1007755), (35, 806204), (49, 575860), (70, 403102), (98, 287930), (140, 201551), (196, 143965), (245, 115172), (490, 57586), (980, 28793)]