1395730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 2912256

約数和(自身を除く): 1516526

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 157, 254, 314, 635, 785, 889, 1099, 1270, 1570, 1778, 2198, 4445, 5495, 8890, 10990, 19939, 39878, 99695, 139573, 199390, 279146, 697865, 1395730]

約数ペア:

[(1, 1395730), (2, 697865), (5, 279146), (7, 199390), (10, 139573), (14, 99695), (35, 39878), (70, 19939), (127, 10990), (157, 8890), (254, 5495), (314, 4445), (635, 2198), (785, 1778), (889, 1570), (1099, 1270)]