280147776248

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1\times {\mathrm{4363}}^1$

素因数の和:5244

約数の個数: 64

約数和(自身を含む): 539180928000

約数和(自身を除く): 259033151752

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 389, 439, 778, 878, 1556, 1756, 3112, 3512, 4363, 8726, 17452, 18283, 20633, 34904, 36566, 41266, 73132, 82532, 146264, 165064, 170771, 205061, 341542, 410122, 683084, 820244, 1366168, 1640488, 1697207, 1915357, 3394414, 3830714, 6788828, 7661428, 8026237, 13577656, 15322856, 16052474, 32104948, 64209896, 79768729, 90021779, 159537458, 180043558, 319074916, 360087116, 638149832, 720174232, 745073873, 1490147746, 2980295492, 5960590984, 35018472031, 70036944062, 140073888124, 280147776248]

約数ペア:

[(1, 280147776248), (2, 140073888124), (4, 70036944062), (8, 35018472031), (47, 5960590984), (94, 2980295492), (188, 1490147746), (376, 745073873), (389, 720174232), (439, 638149832), (778, 360087116), (878, 319074916), (1556, 180043558), (1756, 159537458), (3112, 90021779), (3512, 79768729), (4363, 64209896), (8726, 32104948), (17452, 16052474), (18283, 15322856), (20633, 13577656), (34904, 8026237), (36566, 7661428), (41266, 6788828), (73132, 3830714), (82532, 3394414), (146264, 1915357), (165064, 1697207), (170771, 1640488), (205061, 1366168), (341542, 820244), (410122, 683084)]