30147740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{30763}}^1$

素因数の和:30786

約数の個数: 36

約数和(自身を含む): 73649016

約数和(自身を除く): 43501276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 30763, 61526, 123052, 153815, 215341, 307630, 430682, 615260, 861364, 1076705, 1507387, 2153410, 3014774, 4306820, 6029548, 7536935, 15073870, 30147740]

約数ペア:

[(1, 30147740), (2, 15073870), (4, 7536935), (5, 6029548), (7, 4306820), (10, 3014774), (14, 2153410), (20, 1507387), (28, 1076705), (35, 861364), (49, 615260), (70, 430682), (98, 307630), (140, 215341), (196, 153815), (245, 123052), (490, 61526), (980, 30763)]