85682380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 229249440

約数和(自身を除く): 143567060

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 49, 68, 70, 74, 85, 98, 119, 139, 140, 148, 170, 185, 196, 238, 245, 259, 278, 340, 370, 476, 490, 518, 556, 595, 629, 695, 740, 833, 973, 980, 1036, 1190, 1258, 1295, 1390, 1666, 1813, 1946, 2363, 2380, 2516, 2590, 2780, 3145, 3332, 3626, 3892, 4165, 4403, 4726, 4865, 5143, 5180, 6290, 6811, 7252, 8330, 8806, 9065, 9452, 9730, 10286, 11815, 12580, 13622, 16541, 16660, 17612, 18130, 19460, 20572, 22015, 23630, 25715, 27244, 30821, 33082, 34055, 36001, 36260, 44030, 47260, 51430, 61642, 66164, 68110, 72002, 82705, 87431, 88060, 102860, 115787, 123284, 136220, 144004, 154105, 165410, 174862, 180005, 231574, 252007, 308210, 330820, 349724, 360010, 437155, 463148, 504014, 578935, 612017, 616420, 720020, 874310, 1008028, 1157870, 1224034, 1260035, 1748620, 2315740, 2448068, 2520070, 3060085, 4284119, 5040140, 6120170, 8568238, 12240340, 17136476, 21420595, 42841190, 85682380]

約数ペア:

[(1, 85682380), (2, 42841190), (4, 21420595), (5, 17136476), (7, 12240340), (10, 8568238), (14, 6120170), (17, 5040140), (20, 4284119), (28, 3060085), (34, 2520070), (35, 2448068), (37, 2315740), (49, 1748620), (68, 1260035), (70, 1224034), (74, 1157870), (85, 1008028), (98, 874310), (119, 720020), (139, 616420), (140, 612017), (148, 578935), (170, 504014), (185, 463148), (196, 437155), (238, 360010), (245, 349724), (259, 330820), (278, 308210), (340, 252007), (370, 231574), (476, 180005), (490, 174862), (518, 165410), (556, 154105), (595, 144004), (629, 136220), (695, 123284), (740, 115787), (833, 102860), (973, 88060), (980, 87431), (1036, 82705), (1190, 72002), (1258, 68110), (1295, 66164), (1390, 61642), (1666, 51430), (1813, 47260), (1946, 44030), (2363, 36260), (2380, 36001), (2516, 34055), (2590, 33082), (2780, 30821), (3145, 27244), (3332, 25715), (3626, 23630), (3892, 22015), (4165, 20572), (4403, 19460), (4726, 18130), (4865, 17612), (5143, 16660), (5180, 16541), (6290, 13622), (6811, 12580), (7252, 11815), (8330, 10286), (8806, 9730), (9065, 9452)]