252912190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 489888000

約数和(自身を除く): 236975810

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 89, 145, 178, 205, 239, 290, 410, 445, 478, 890, 1189, 1195, 2378, 2390, 2581, 3649, 5162, 5945, 6931, 7298, 9799, 11890, 12905, 13862, 18245, 19598, 21271, 25810, 34655, 36490, 42542, 48995, 69310, 97990, 105821, 106355, 211642, 212710, 284171, 529105, 568342, 616859, 872111, 1058210, 1233718, 1420855, 1744222, 2841710, 3084295, 4360555, 6168590, 8721110, 25291219, 50582438, 126456095, 252912190]

約数ペア:

[(1, 252912190), (2, 126456095), (5, 50582438), (10, 25291219), (29, 8721110), (41, 6168590), (58, 4360555), (82, 3084295), (89, 2841710), (145, 1744222), (178, 1420855), (205, 1233718), (239, 1058210), (290, 872111), (410, 616859), (445, 568342), (478, 529105), (890, 284171), (1189, 212710), (1195, 211642), (2378, 106355), (2390, 105821), (2581, 97990), (3649, 69310), (5162, 48995), (5945, 42542), (6931, 36490), (7298, 34655), (9799, 25810), (11890, 21271), (12905, 19598), (13862, 18245)]