2220970078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{420479}}^1$

素因数の和:420639

約数の個数: 16

約数和(自身を含む): 3532032000

約数和(自身を除く): 1311061922

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 420479, 840958, 7989101, 15978202, 58446581, 116893162, 1110485039, 2220970078]

約数ペア:

[(1, 2220970078), (2, 1110485039), (19, 116893162), (38, 58446581), (139, 15978202), (278, 7989101), (2641, 840958), (5282, 420479)]