2018965840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:617

約数の個数: 160

約数和(自身を含む): 5142528000

約数和(自身を除く): 3123562160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 59, 76, 80, 94, 95, 118, 152, 188, 190, 235, 236, 295, 304, 376, 380, 470, 472, 479, 590, 752, 760, 893, 940, 944, 958, 1121, 1180, 1520, 1786, 1880, 1916, 2242, 2360, 2395, 2773, 3572, 3760, 3832, 4465, 4484, 4720, 4790, 5546, 5605, 7144, 7664, 8930, 8968, 9101, 9580, 11092, 11210, 13865, 14288, 17860, 17936, 18202, 19160, 22184, 22420, 22513, 27730, 28261, 35720, 36404, 38320, 44368, 44840, 45026, 45505, 52687, 55460, 56522, 71440, 72808, 89680, 90052, 91010, 105374, 110920, 112565, 113044, 141305, 145616, 180104, 182020, 210748, 221840, 225130, 226088, 263435, 282610, 360208, 364040, 421496, 427747, 450260, 452176, 526870, 536959, 565220, 728080, 842992, 855494, 900520, 1053740, 1073918, 1130440, 1328267, 1710988, 1801040, 2107480, 2138735, 2147836, 2260880, 2656534, 2684795, 3421976, 4214960, 4277470, 4295672, 5313068, 5369590, 6641335, 6843952, 8554940, 8591344, 10626136, 10739180, 13282670, 17109880, 21252272, 21478360, 25237073, 26565340, 34219760, 42956720, 50474146, 53130680, 100948292, 106261360, 126185365, 201896584, 252370730, 403793168, 504741460, 1009482920, 2018965840]

約数ペア:

[(1, 2018965840), (2, 1009482920), (4, 504741460), (5, 403793168), (8, 252370730), (10, 201896584), (16, 126185365), (19, 106261360), (20, 100948292), (38, 53130680), (40, 50474146), (47, 42956720), (59, 34219760), (76, 26565340), (80, 25237073), (94, 21478360), (95, 21252272), (118, 17109880), (152, 13282670), (188, 10739180), (190, 10626136), (235, 8591344), (236, 8554940), (295, 6843952), (304, 6641335), (376, 5369590), (380, 5313068), (470, 4295672), (472, 4277470), (479, 4214960), (590, 3421976), (752, 2684795), (760, 2656534), (893, 2260880), (940, 2147836), (944, 2138735), (958, 2107480), (1121, 1801040), (1180, 1710988), (1520, 1328267), (1786, 1130440), (1880, 1073918), (1916, 1053740), (2242, 900520), (2360, 855494), (2395, 842992), (2773, 728080), (3572, 565220), (3760, 536959), (3832, 526870), (4465, 452176), (4484, 450260), (4720, 427747), (4790, 421496), (5546, 364040), (5605, 360208), (7144, 282610), (7664, 263435), (8930, 226088), (8968, 225130), (9101, 221840), (9580, 210748), (11092, 182020), (11210, 180104), (13865, 145616), (14288, 141305), (17860, 113044), (17936, 112565), (18202, 110920), (19160, 105374), (22184, 91010), (22420, 90052), (22513, 89680), (27730, 72808), (28261, 71440), (35720, 56522), (36404, 55460), (38320, 52687), (44368, 45505), (44840, 45026)]