19998114080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{22921}}^1$

素因数の和:23003

約数の個数: 192

約数和(自身を含む): 58225547520

約数和(自身を除く): 38227433440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 41, 56, 70, 76, 80, 82, 95, 112, 133, 140, 152, 160, 164, 190, 205, 224, 266, 280, 287, 304, 328, 380, 410, 532, 560, 574, 608, 656, 665, 760, 779, 820, 1064, 1120, 1148, 1312, 1330, 1435, 1520, 1558, 1640, 2128, 2296, 2660, 2870, 3040, 3116, 3280, 3895, 4256, 4592, 5320, 5453, 5740, 6232, 6560, 7790, 9184, 10640, 10906, 11480, 12464, 15580, 21280, 21812, 22921, 22960, 24928, 27265, 31160, 43624, 45842, 45920, 54530, 62320, 87248, 91684, 109060, 114605, 124640, 160447, 174496, 183368, 218120, 229210, 320894, 366736, 435499, 436240, 458420, 641788, 733472, 802235, 870998, 872480, 916840, 939761, 1283576, 1604470, 1741996, 1833680, 1879522, 2177495, 2567152, 3048493, 3208940, 3483992, 3667360, 3759044, 4354990, 4698805, 5134304, 6096986, 6417880, 6578327, 6967984, 7518088, 8709980, 9397610, 12193972, 12835760, 13156654, 13935968, 15036176, 15242465, 17419960, 17855459, 18795220, 24387944, 25671520, 26313308, 30072352, 30484930, 32891635, 34839920, 35710918, 37590440, 48775888, 52626616, 60969860, 65783270, 69679840, 71421836, 75180880, 89277295, 97551776, 105253232, 121939720, 124988213, 131566540, 142843672, 150361760, 178554590, 210506464, 243879440, 249976426, 263133080, 285687344, 357109180, 487758880, 499952852, 526266160, 571374688, 624941065, 714218360, 999905704, 1052532320, 1249882130, 1428436720, 1999811408, 2499764260, 2856873440, 3999622816, 4999528520, 9999057040, 19998114080]

約数ペア:

[(1, 19998114080), (2, 9999057040), (4, 4999528520), (5, 3999622816), (7, 2856873440), (8, 2499764260), (10, 1999811408), (14, 1428436720), (16, 1249882130), (19, 1052532320), (20, 999905704), (28, 714218360), (32, 624941065), (35, 571374688), (38, 526266160), (40, 499952852), (41, 487758880), (56, 357109180), (70, 285687344), (76, 263133080), (80, 249976426), (82, 243879440), (95, 210506464), (112, 178554590), (133, 150361760), (140, 142843672), (152, 131566540), (160, 124988213), (164, 121939720), (190, 105253232), (205, 97551776), (224, 89277295), (266, 75180880), (280, 71421836), (287, 69679840), (304, 65783270), (328, 60969860), (380, 52626616), (410, 48775888), (532, 37590440), (560, 35710918), (574, 34839920), (608, 32891635), (656, 30484930), (665, 30072352), (760, 26313308), (779, 25671520), (820, 24387944), (1064, 18795220), (1120, 17855459), (1148, 17419960), (1312, 15242465), (1330, 15036176), (1435, 13935968), (1520, 13156654), (1558, 12835760), (1640, 12193972), (2128, 9397610), (2296, 8709980), (2660, 7518088), (2870, 6967984), (3040, 6578327), (3116, 6417880), (3280, 6096986), (3895, 5134304), (4256, 4698805), (4592, 4354990), (5320, 3759044), (5453, 3667360), (5740, 3483992), (6232, 3208940), (6560, 3048493), (7790, 2567152), (9184, 2177495), (10640, 1879522), (10906, 1833680), (11480, 1741996), (12464, 1604470), (15580, 1283576), (21280, 939761), (21812, 916840), (22921, 872480), (22960, 870998), (24928, 802235), (27265, 733472), (31160, 641788), (43624, 458420), (45842, 436240), (45920, 435499), (54530, 366736), (62320, 320894), (87248, 229210), (91684, 218120), (109060, 183368), (114605, 174496), (124640, 160447)]