29881180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{30491}}^1$

素因数の和:30514

約数の個数: 36

約数和(自身を含む): 72997848

約数和(自身を除く): 43116668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 30491, 60982, 121964, 152455, 213437, 304910, 426874, 609820, 853748, 1067185, 1494059, 2134370, 2988118, 4268740, 5976236, 7470295, 14940590, 29881180]

約数ペア:

[(1, 29881180), (2, 14940590), (4, 7470295), (5, 5976236), (7, 4268740), (10, 2988118), (14, 2134370), (20, 1494059), (28, 1067185), (35, 853748), (49, 609820), (70, 426874), (98, 304910), (140, 213437), (196, 152455), (245, 121964), (490, 60982), (980, 30491)]