209401056

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 144

約数和(自身を含む): 627170544

約数和(自身を除く): 417769488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 43, 48, 72, 74, 86, 96, 111, 129, 144, 148, 172, 222, 258, 288, 296, 333, 344, 387, 444, 457, 516, 592, 666, 688, 774, 888, 914, 1032, 1184, 1332, 1371, 1376, 1548, 1591, 1776, 1828, 2064, 2664, 2742, 3096, 3182, 3552, 3656, 4113, 4128, 4773, 5328, 5484, 6192, 6364, 7312, 8226, 9546, 10656, 10968, 12384, 12728, 14319, 14624, 16452, 16909, 19092, 19651, 21936, 25456, 28638, 32904, 33818, 38184, 39302, 43872, 50727, 50912, 57276, 58953, 65808, 67636, 76368, 78604, 101454, 114552, 117906, 131616, 135272, 152181, 152736, 157208, 176859, 202908, 229104, 235812, 270544, 304362, 314416, 353718, 405816, 458208, 471624, 541088, 608724, 628832, 707436, 727087, 811632, 943248, 1217448, 1414872, 1454174, 1623264, 1886496, 2181261, 2434896, 2829744, 2908348, 4362522, 4869792, 5659488, 5816696, 6543783, 8725044, 11633392, 13087566, 17450088, 23266784, 26175132, 34900176, 52350264, 69800352, 104700528, 209401056]

約数ペア:

[(1, 209401056), (2, 104700528), (3, 69800352), (4, 52350264), (6, 34900176), (8, 26175132), (9, 23266784), (12, 17450088), (16, 13087566), (18, 11633392), (24, 8725044), (32, 6543783), (36, 5816696), (37, 5659488), (43, 4869792), (48, 4362522), (72, 2908348), (74, 2829744), (86, 2434896), (96, 2181261), (111, 1886496), (129, 1623264), (144, 1454174), (148, 1414872), (172, 1217448), (222, 943248), (258, 811632), (288, 727087), (296, 707436), (333, 628832), (344, 608724), (387, 541088), (444, 471624), (457, 458208), (516, 405816), (592, 353718), (666, 314416), (688, 304362), (774, 270544), (888, 235812), (914, 229104), (1032, 202908), (1184, 176859), (1332, 157208), (1371, 152736), (1376, 152181), (1548, 135272), (1591, 131616), (1776, 117906), (1828, 114552), (2064, 101454), (2664, 78604), (2742, 76368), (3096, 67636), (3182, 65808), (3552, 58953), (3656, 57276), (4113, 50912), (4128, 50727), (4773, 43872), (5328, 39302), (5484, 38184), (6192, 33818), (6364, 32904), (7312, 28638), (8226, 25456), (9546, 21936), (10656, 19651), (10968, 19092), (12384, 16909), (12728, 16452), (14319, 14624)]