30687052

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 33663668

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 71, 76, 94, 121, 142, 188, 209, 242, 284, 418, 484, 517, 781, 836, 893, 1034, 1349, 1562, 1786, 2068, 2299, 2698, 3124, 3337, 3572, 4598, 5396, 5687, 6674, 8591, 9196, 9823, 11374, 13348, 14839, 17182, 19646, 22748, 29678, 34364, 36707, 39292, 59356, 63403, 73414, 108053, 126806, 146828, 163229, 216106, 253612, 326458, 403777, 432212, 652916, 697433, 807554, 1394866, 1615108, 2789732, 7671763, 15343526, 30687052]

約数ペア:

[(1, 30687052), (2, 15343526), (4, 7671763), (11, 2789732), (19, 1615108), (22, 1394866), (38, 807554), (44, 697433), (47, 652916), (71, 432212), (76, 403777), (94, 326458), (121, 253612), (142, 216106), (188, 163229), (209, 146828), (242, 126806), (284, 108053), (418, 73414), (484, 63403), (517, 59356), (781, 39292), (836, 36707), (893, 34364), (1034, 29678), (1349, 22748), (1562, 19646), (1786, 17182), (2068, 14839), (2299, 13348), (2698, 11374), (3124, 9823), (3337, 9196), (3572, 8591), (4598, 6674), (5396, 5687)]