81697000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1$

素因数の和:1100

約数の個数: 128

約数和(自身を含む): 238567680

約数和(自身を除く): 156870680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 125, 140, 154, 175, 200, 220, 250, 275, 280, 308, 350, 385, 440, 500, 550, 616, 700, 770, 875, 1000, 1061, 1100, 1375, 1400, 1540, 1750, 1925, 2122, 2200, 2750, 3080, 3500, 3850, 4244, 5305, 5500, 7000, 7427, 7700, 8488, 9625, 10610, 11000, 11671, 14854, 15400, 19250, 21220, 23342, 26525, 29708, 37135, 38500, 42440, 46684, 53050, 58355, 59416, 74270, 77000, 81697, 93368, 106100, 116710, 132625, 148540, 163394, 185675, 212200, 233420, 265250, 291775, 297080, 326788, 371350, 408485, 466840, 530500, 583550, 653576, 742700, 816970, 928375, 1061000, 1167100, 1458875, 1485400, 1633940, 1856750, 2042425, 2334200, 2917750, 3267880, 3713500, 4084850, 5835500, 7427000, 8169700, 10212125, 11671000, 16339400, 20424250, 40848500, 81697000]

約数ペア:

[(1, 81697000), (2, 40848500), (4, 20424250), (5, 16339400), (7, 11671000), (8, 10212125), (10, 8169700), (11, 7427000), (14, 5835500), (20, 4084850), (22, 3713500), (25, 3267880), (28, 2917750), (35, 2334200), (40, 2042425), (44, 1856750), (50, 1633940), (55, 1485400), (56, 1458875), (70, 1167100), (77, 1061000), (88, 928375), (100, 816970), (110, 742700), (125, 653576), (140, 583550), (154, 530500), (175, 466840), (200, 408485), (220, 371350), (250, 326788), (275, 297080), (280, 291775), (308, 265250), (350, 233420), (385, 212200), (440, 185675), (500, 163394), (550, 148540), (616, 132625), (700, 116710), (770, 106100), (875, 93368), (1000, 81697), (1061, 77000), (1100, 74270), (1375, 59416), (1400, 58355), (1540, 53050), (1750, 46684), (1925, 42440), (2122, 38500), (2200, 37135), (2750, 29708), (3080, 26525), (3500, 23342), (3850, 21220), (4244, 19250), (5305, 15400), (5500, 14854), (7000, 11671), (7427, 11000), (7700, 10610), (8488, 9625)]