217973070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 691891200

約数和(自身を除く): 473918130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 49, 63, 69, 70, 90, 98, 105, 115, 126, 138, 147, 161, 207, 210, 230, 245, 294, 307, 315, 322, 343, 345, 414, 441, 483, 490, 614, 630, 686, 690, 735, 805, 882, 921, 966, 1029, 1035, 1127, 1449, 1470, 1535, 1610, 1715, 1842, 2058, 2070, 2149, 2205, 2254, 2415, 2763, 2898, 3070, 3087, 3381, 3430, 4298, 4410, 4605, 4830, 5145, 5526, 5635, 6174, 6447, 6762, 7061, 7245, 7889, 9210, 10143, 10290, 10745, 11270, 12894, 13815, 14122, 14490, 15043, 15435, 15778, 16905, 19341, 20286, 21183, 21490, 23667, 27630, 30086, 30870, 32235, 33810, 35305, 38682, 39445, 42366, 45129, 47334, 49427, 50715, 63549, 64470, 70610, 71001, 75215, 78890, 90258, 96705, 98854, 101430, 105301, 105915, 118335, 127098, 135387, 142002, 148281, 150430, 193410, 210602, 211830, 225645, 236670, 247135, 270774, 296562, 315903, 317745, 345989, 355005, 444843, 451290, 494270, 526505, 631806, 635490, 676935, 691978, 710010, 741405, 889686, 947709, 1037967, 1053010, 1353870, 1482810, 1579515, 1729945, 1895418, 2075934, 2224215, 2421923, 3113901, 3159030, 3459890, 4448430, 4738545, 4843846, 5189835, 6227802, 7265769, 9477090, 10379670, 12109615, 14531538, 15569505, 21797307, 24219230, 31139010, 36328845, 43594614, 72657690, 108986535, 217973070]

約数ペア:

[(1, 217973070), (2, 108986535), (3, 72657690), (5, 43594614), (6, 36328845), (7, 31139010), (9, 24219230), (10, 21797307), (14, 15569505), (15, 14531538), (18, 12109615), (21, 10379670), (23, 9477090), (30, 7265769), (35, 6227802), (42, 5189835), (45, 4843846), (46, 4738545), (49, 4448430), (63, 3459890), (69, 3159030), (70, 3113901), (90, 2421923), (98, 2224215), (105, 2075934), (115, 1895418), (126, 1729945), (138, 1579515), (147, 1482810), (161, 1353870), (207, 1053010), (210, 1037967), (230, 947709), (245, 889686), (294, 741405), (307, 710010), (315, 691978), (322, 676935), (343, 635490), (345, 631806), (414, 526505), (441, 494270), (483, 451290), (490, 444843), (614, 355005), (630, 345989), (686, 317745), (690, 315903), (735, 296562), (805, 270774), (882, 247135), (921, 236670), (966, 225645), (1029, 211830), (1035, 210602), (1127, 193410), (1449, 150430), (1470, 148281), (1535, 142002), (1610, 135387), (1715, 127098), (1842, 118335), (2058, 105915), (2070, 105301), (2149, 101430), (2205, 98854), (2254, 96705), (2415, 90258), (2763, 78890), (2898, 75215), (3070, 71001), (3087, 70610), (3381, 64470), (3430, 63549), (4298, 50715), (4410, 49427), (4605, 47334), (4830, 45129), (5145, 42366), (5526, 39445), (5635, 38682), (6174, 35305), (6447, 33810), (6762, 32235), (7061, 30870), (7245, 30086), (7889, 27630), (9210, 23667), (10143, 21490), (10290, 21183), (10745, 20286), (11270, 19341), (12894, 16905), (13815, 15778), (14122, 15435), (14490, 15043)]