1388977520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1160

約数の個数: 240

約数和(自身を含む): 4190758560

約数和(自身を除く): 2801781040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 49, 56, 68, 70, 76, 80, 85, 95, 98, 112, 119, 133, 136, 140, 152, 170, 190, 196, 238, 245, 266, 272, 280, 304, 323, 340, 380, 392, 476, 490, 532, 560, 595, 646, 665, 680, 760, 784, 833, 931, 952, 980, 1064, 1097, 1190, 1292, 1330, 1360, 1520, 1615, 1666, 1862, 1904, 1960, 2128, 2194, 2261, 2380, 2584, 2660, 3230, 3332, 3724, 3920, 4165, 4388, 4522, 4655, 4760, 5168, 5320, 5485, 6460, 6664, 7448, 7679, 8330, 8776, 9044, 9310, 9520, 10640, 10970, 11305, 12920, 13328, 14896, 15358, 15827, 16660, 17552, 18088, 18620, 18649, 20843, 21940, 22610, 25840, 30716, 31654, 33320, 36176, 37240, 37298, 38395, 41686, 43880, 45220, 53753, 61432, 63308, 66640, 74480, 74596, 76790, 79135, 83372, 87760, 90440, 93245, 104215, 107506, 122864, 126616, 130543, 145901, 149192, 153580, 158270, 166744, 180880, 186490, 208430, 215012, 253232, 261086, 268765, 291802, 298384, 307160, 316540, 333488, 354331, 372980, 416860, 430024, 522172, 537530, 583604, 614320, 633080, 652715, 708662, 729505, 745960, 833720, 860048, 913801, 1021307, 1044344, 1075060, 1167208, 1266160, 1305430, 1417324, 1459010, 1491920, 1667440, 1771655, 1827602, 2042614, 2088688, 2150120, 2334416, 2480317, 2610860, 2834648, 2918020, 3543310, 3655204, 4085228, 4300240, 4569005, 4960634, 5106535, 5221720, 5669296, 5836040, 7086620, 7310408, 8170456, 9138010, 9921268, 10213070, 10443440, 11672080, 12401585, 14173240, 14620816, 16340912, 17362219, 18276020, 19842536, 20426140, 24803170, 28346480, 34724438, 36552040, 39685072, 40852280, 49606340, 69448876, 73104080, 81704560, 86811095, 99212680, 138897752, 173622190, 198425360, 277795504, 347244380, 694488760, 1388977520]

約数ペア:

[(1, 1388977520), (2, 694488760), (4, 347244380), (5, 277795504), (7, 198425360), (8, 173622190), (10, 138897752), (14, 99212680), (16, 86811095), (17, 81704560), (19, 73104080), (20, 69448876), (28, 49606340), (34, 40852280), (35, 39685072), (38, 36552040), (40, 34724438), (49, 28346480), (56, 24803170), (68, 20426140), (70, 19842536), (76, 18276020), (80, 17362219), (85, 16340912), (95, 14620816), (98, 14173240), (112, 12401585), (119, 11672080), (133, 10443440), (136, 10213070), (140, 9921268), (152, 9138010), (170, 8170456), (190, 7310408), (196, 7086620), (238, 5836040), (245, 5669296), (266, 5221720), (272, 5106535), (280, 4960634), (304, 4569005), (323, 4300240), (340, 4085228), (380, 3655204), (392, 3543310), (476, 2918020), (490, 2834648), (532, 2610860), (560, 2480317), (595, 2334416), (646, 2150120), (665, 2088688), (680, 2042614), (760, 1827602), (784, 1771655), (833, 1667440), (931, 1491920), (952, 1459010), (980, 1417324), (1064, 1305430), (1097, 1266160), (1190, 1167208), (1292, 1075060), (1330, 1044344), (1360, 1021307), (1520, 913801), (1615, 860048), (1666, 833720), (1862, 745960), (1904, 729505), (1960, 708662), (2128, 652715), (2194, 633080), (2261, 614320), (2380, 583604), (2584, 537530), (2660, 522172), (3230, 430024), (3332, 416860), (3724, 372980), (3920, 354331), (4165, 333488), (4388, 316540), (4522, 307160), (4655, 298384), (4760, 291802), (5168, 268765), (5320, 261086), (5485, 253232), (6460, 215012), (6664, 208430), (7448, 186490), (7679, 180880), (8330, 166744), (8776, 158270), (9044, 153580), (9310, 149192), (9520, 145901), (10640, 130543), (10970, 126616), (11305, 122864), (12920, 107506), (13328, 104215), (14896, 93245), (15358, 90440), (15827, 87760), (16660, 83372), (17552, 79135), (18088, 76790), (18620, 74596), (18649, 74480), (20843, 66640), (21940, 63308), (22610, 61432), (25840, 53753), (30716, 45220), (31654, 43880), (33320, 41686), (36176, 38395), (37240, 37298)]