209870808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1849

約数の個数: 128

約数和(自身を含む): 648614400

約数和(自身を除く): 438743592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 37, 38, 42, 56, 57, 74, 76, 84, 111, 114, 133, 148, 152, 168, 222, 228, 259, 266, 296, 399, 444, 456, 518, 532, 703, 777, 798, 888, 1036, 1064, 1406, 1554, 1596, 1777, 2072, 2109, 2812, 3108, 3192, 3554, 4218, 4921, 5331, 5624, 6216, 7108, 8436, 9842, 10662, 12439, 14216, 14763, 16872, 19684, 21324, 24878, 29526, 33763, 37317, 39368, 42648, 49756, 59052, 65749, 67526, 74634, 99512, 101289, 118104, 131498, 135052, 149268, 197247, 202578, 236341, 262996, 270104, 298536, 394494, 405156, 460243, 472682, 525992, 709023, 788988, 810312, 920486, 945364, 1249231, 1380729, 1418046, 1577976, 1840972, 1890728, 2498462, 2761458, 2836092, 3681944, 3747693, 4996924, 5522916, 5672184, 7495386, 8744617, 9993848, 11045832, 14990772, 17489234, 26233851, 29981544, 34978468, 52467702, 69956936, 104935404, 209870808]

約数ペア:

[(1, 209870808), (2, 104935404), (3, 69956936), (4, 52467702), (6, 34978468), (7, 29981544), (8, 26233851), (12, 17489234), (14, 14990772), (19, 11045832), (21, 9993848), (24, 8744617), (28, 7495386), (37, 5672184), (38, 5522916), (42, 4996924), (56, 3747693), (57, 3681944), (74, 2836092), (76, 2761458), (84, 2498462), (111, 1890728), (114, 1840972), (133, 1577976), (148, 1418046), (152, 1380729), (168, 1249231), (222, 945364), (228, 920486), (259, 810312), (266, 788988), (296, 709023), (399, 525992), (444, 472682), (456, 460243), (518, 405156), (532, 394494), (703, 298536), (777, 270104), (798, 262996), (888, 236341), (1036, 202578), (1064, 197247), (1406, 149268), (1554, 135052), (1596, 131498), (1777, 118104), (2072, 101289), (2109, 99512), (2812, 74634), (3108, 67526), (3192, 65749), (3554, 59052), (4218, 49756), (4921, 42648), (5331, 39368), (5624, 37317), (6216, 33763), (7108, 29526), (8436, 24878), (9842, 21324), (10662, 19684), (12439, 16872), (14216, 14763)]