191991520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 550198656

約数和(自身を除く): 358207136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 41, 56, 70, 74, 80, 82, 112, 113, 140, 148, 160, 164, 185, 205, 224, 226, 259, 280, 287, 296, 328, 370, 410, 452, 518, 560, 565, 574, 592, 656, 740, 791, 820, 904, 1036, 1120, 1130, 1148, 1184, 1295, 1312, 1435, 1480, 1517, 1582, 1640, 1808, 2072, 2260, 2296, 2590, 2870, 2960, 3034, 3164, 3280, 3616, 3955, 4144, 4181, 4520, 4592, 4633, 5180, 5740, 5920, 6068, 6328, 6560, 7585, 7910, 8288, 8362, 9040, 9184, 9266, 10360, 10619, 11480, 12136, 12656, 15170, 15820, 16724, 18080, 18532, 20720, 20905, 21238, 22960, 23165, 24272, 25312, 29267, 30340, 31640, 32431, 33448, 37064, 41440, 41810, 42476, 45920, 46330, 48544, 53095, 58534, 60680, 63280, 64862, 66896, 74128, 83620, 84952, 92660, 106190, 117068, 121360, 126560, 129724, 133792, 146335, 148256, 162155, 167240, 169904, 171421, 185320, 212380, 234136, 242720, 259448, 292670, 324310, 334480, 339808, 342842, 370640, 424760, 468272, 518896, 585340, 648620, 668960, 685684, 741280, 849520, 857105, 936544, 1037792, 1170680, 1199947, 1297240, 1371368, 1699040, 1714210, 2341360, 2399894, 2594480, 2742736, 3428420, 4682720, 4799788, 5188960, 5485472, 5999735, 6856840, 9599576, 11999470, 13713680, 19199152, 23998940, 27427360, 38398304, 47997880, 95995760, 191991520]

約数ペア:

[(1, 191991520), (2, 95995760), (4, 47997880), (5, 38398304), (7, 27427360), (8, 23998940), (10, 19199152), (14, 13713680), (16, 11999470), (20, 9599576), (28, 6856840), (32, 5999735), (35, 5485472), (37, 5188960), (40, 4799788), (41, 4682720), (56, 3428420), (70, 2742736), (74, 2594480), (80, 2399894), (82, 2341360), (112, 1714210), (113, 1699040), (140, 1371368), (148, 1297240), (160, 1199947), (164, 1170680), (185, 1037792), (205, 936544), (224, 857105), (226, 849520), (259, 741280), (280, 685684), (287, 668960), (296, 648620), (328, 585340), (370, 518896), (410, 468272), (452, 424760), (518, 370640), (560, 342842), (565, 339808), (574, 334480), (592, 324310), (656, 292670), (740, 259448), (791, 242720), (820, 234136), (904, 212380), (1036, 185320), (1120, 171421), (1130, 169904), (1148, 167240), (1184, 162155), (1295, 148256), (1312, 146335), (1435, 133792), (1480, 129724), (1517, 126560), (1582, 121360), (1640, 117068), (1808, 106190), (2072, 92660), (2260, 84952), (2296, 83620), (2590, 74128), (2870, 66896), (2960, 64862), (3034, 63280), (3164, 60680), (3280, 58534), (3616, 53095), (3955, 48544), (4144, 46330), (4181, 45920), (4520, 42476), (4592, 41810), (4633, 41440), (5180, 37064), (5740, 33448), (5920, 32431), (6068, 31640), (6328, 30340), (6560, 29267), (7585, 25312), (7910, 24272), (8288, 23165), (8362, 22960), (9040, 21238), (9184, 20905), (9266, 20720), (10360, 18532), (10619, 18080), (11480, 16724), (12136, 15820), (12656, 15170)]