2128285880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{205433}}^1$

素因数の和:205488

約数の個数: 64

約数和(自身を含む): 5620674240

約数和(自身を除く): 3492388360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 205433, 410866, 821732, 1027165, 1438031, 1643464, 2054330, 2876062, 4108660, 5752124, 7190155, 7601021, 8217320, 11504248, 14380310, 15202042, 28760620, 30404084, 38005105, 53207147, 57521240, 60808168, 76010210, 106414294, 152020420, 212828588, 266035735, 304040840, 425657176, 532071470, 1064142940, 2128285880]

約数ペア:

[(1, 2128285880), (2, 1064142940), (4, 532071470), (5, 425657176), (7, 304040840), (8, 266035735), (10, 212828588), (14, 152020420), (20, 106414294), (28, 76010210), (35, 60808168), (37, 57521240), (40, 53207147), (56, 38005105), (70, 30404084), (74, 28760620), (140, 15202042), (148, 14380310), (185, 11504248), (259, 8217320), (280, 7601021), (296, 7190155), (370, 5752124), (518, 4108660), (740, 2876062), (1036, 2054330), (1295, 1643464), (1480, 1438031), (2072, 1027165), (2590, 821732), (5180, 410866), (10360, 205433)]