31068730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 70440192

約数和(自身を除く): 39371462

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 157, 257, 314, 385, 514, 770, 785, 1099, 1285, 1570, 1727, 1799, 2198, 2570, 2827, 3454, 3598, 5495, 5654, 8635, 8995, 10990, 12089, 14135, 17270, 17990, 19789, 24178, 28270, 39578, 40349, 60445, 80698, 98945, 120890, 197890, 201745, 282443, 403490, 443839, 564886, 887678, 1412215, 2219195, 2824430, 3106873, 4438390, 6213746, 15534365, 31068730]

約数ペア:

[(1, 31068730), (2, 15534365), (5, 6213746), (7, 4438390), (10, 3106873), (11, 2824430), (14, 2219195), (22, 1412215), (35, 887678), (55, 564886), (70, 443839), (77, 403490), (110, 282443), (154, 201745), (157, 197890), (257, 120890), (314, 98945), (385, 80698), (514, 60445), (770, 40349), (785, 39578), (1099, 28270), (1285, 24178), (1570, 19789), (1727, 17990), (1799, 17270), (2198, 14135), (2570, 12089), (2827, 10990), (3454, 8995), (3598, 8635), (5495, 5654)]