840183344

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 2327351040

約数和(自身を除く): 1487167696

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 112, 121, 133, 143, 152, 154, 176, 182, 208, 209, 242, 247, 251, 266, 286, 304, 308, 364, 418, 484, 494, 502, 532, 572, 616, 728, 836, 847, 968, 988, 1001, 1004, 1064, 1144, 1232, 1456, 1463, 1573, 1672, 1694, 1729, 1757, 1936, 1976, 2002, 2008, 2128, 2288, 2299, 2717, 2761, 2926, 3146, 3263, 3344, 3388, 3458, 3514, 3952, 4004, 4016, 4598, 4769, 5434, 5522, 5852, 6292, 6526, 6776, 6916, 7028, 8008, 9196, 9538, 10868, 11011, 11044, 11704, 12584, 13052, 13552, 13832, 14056, 16016, 16093, 18392, 19019, 19076, 19327, 21736, 22022, 22088, 22841, 23408, 25168, 26104, 27664, 28112, 29887, 30371, 32186, 33383, 35893, 36784, 38038, 38152, 38654, 43472, 44044, 44176, 45682, 52208, 52459, 59774, 60742, 61997, 64372, 66766, 71786, 76076, 76304, 77308, 88088, 91364, 104918, 119548, 121484, 123994, 128744, 133532, 143572, 152152, 154616, 176176, 182728, 209209, 209836, 212597, 239096, 242968, 247988, 251251, 257488, 267064, 287144, 304304, 309232, 365456, 367213, 394823, 418418, 419672, 425194, 433979, 478192, 485936, 495976, 502502, 534128, 574288, 577049, 681967, 734426, 789646, 836836, 839344, 850388, 867958, 991952, 1005004, 1154098, 1363934, 1468852, 1579292, 1673672, 1700776, 1735916, 2010008, 2308196, 2727868, 2763761, 2937704, 3158584, 3347344, 3401552, 3471832, 4020016, 4039343, 4616392, 4773769, 5455736, 5527522, 5875408, 6317168, 6943664, 7501637, 8078686, 9232784, 9547538, 10911472, 11055044, 15003274, 16157372, 19095076, 22110088, 30006548, 32314744, 38190152, 44220176, 52511459, 60013096, 64629488, 76380304, 105022918, 120026192, 210045836, 420091672, 840183344]

約数ペア:

[(1, 840183344), (2, 420091672), (4, 210045836), (7, 120026192), (8, 105022918), (11, 76380304), (13, 64629488), (14, 60013096), (16, 52511459), (19, 44220176), (22, 38190152), (26, 32314744), (28, 30006548), (38, 22110088), (44, 19095076), (52, 16157372), (56, 15003274), (76, 11055044), (77, 10911472), (88, 9547538), (91, 9232784), (104, 8078686), (112, 7501637), (121, 6943664), (133, 6317168), (143, 5875408), (152, 5527522), (154, 5455736), (176, 4773769), (182, 4616392), (208, 4039343), (209, 4020016), (242, 3471832), (247, 3401552), (251, 3347344), (266, 3158584), (286, 2937704), (304, 2763761), (308, 2727868), (364, 2308196), (418, 2010008), (484, 1735916), (494, 1700776), (502, 1673672), (532, 1579292), (572, 1468852), (616, 1363934), (728, 1154098), (836, 1005004), (847, 991952), (968, 867958), (988, 850388), (1001, 839344), (1004, 836836), (1064, 789646), (1144, 734426), (1232, 681967), (1456, 577049), (1463, 574288), (1573, 534128), (1672, 502502), (1694, 495976), (1729, 485936), (1757, 478192), (1936, 433979), (1976, 425194), (2002, 419672), (2008, 418418), (2128, 394823), (2288, 367213), (2299, 365456), (2717, 309232), (2761, 304304), (2926, 287144), (3146, 267064), (3263, 257488), (3344, 251251), (3388, 247988), (3458, 242968), (3514, 239096), (3952, 212597), (4004, 209836), (4016, 209209), (4598, 182728), (4769, 176176), (5434, 154616), (5522, 152152), (5852, 143572), (6292, 133532), (6526, 128744), (6776, 123994), (6916, 121484), (7028, 119548), (8008, 104918), (9196, 91364), (9538, 88088), (10868, 77308), (11011, 76304), (11044, 76076), (11704, 71786), (12584, 66766), (13052, 64372), (13552, 61997), (13832, 60742), (14056, 59774), (16016, 52459), (16093, 52208), (18392, 45682), (19019, 44176), (19076, 44044), (19327, 43472), (21736, 38654), (22022, 38152), (22088, 38038), (22841, 36784), (23408, 35893), (25168, 33383), (26104, 32186), (27664, 30371), (28112, 29887)]