138439840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:711

約数の個数: 192

約数和(自身を含む): 432407808

約数和(自身を除く): 293967968

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 160, 170, 176, 187, 220, 224, 238, 272, 280, 308, 340, 352, 374, 385, 440, 476, 544, 560, 595, 616, 661, 680, 748, 770, 880, 935, 952, 1120, 1190, 1232, 1309, 1322, 1360, 1496, 1540, 1760, 1870, 1904, 2380, 2464, 2618, 2644, 2720, 2992, 3080, 3305, 3740, 3808, 4627, 4760, 5236, 5288, 5984, 6160, 6545, 6610, 7271, 7480, 9254, 9520, 10472, 10576, 11237, 12320, 13090, 13220, 14542, 14960, 18508, 19040, 20944, 21152, 22474, 23135, 26180, 26440, 29084, 29920, 36355, 37016, 41888, 44948, 46270, 50897, 52360, 52880, 56185, 58168, 72710, 74032, 78659, 89896, 92540, 101794, 104720, 105760, 112370, 116336, 123607, 145420, 148064, 157318, 179792, 185080, 203588, 209440, 224740, 232672, 247214, 254485, 290840, 314636, 359584, 370160, 393295, 407176, 449480, 494428, 508970, 581680, 618035, 629272, 740320, 786590, 814352, 865249, 898960, 988856, 1017940, 1163360, 1236070, 1258544, 1573180, 1628704, 1730498, 1797920, 1977712, 2035880, 2472140, 2517088, 3146360, 3460996, 3955424, 4071760, 4326245, 4944280, 6292720, 6921992, 8143520, 8652490, 9888560, 12585440, 13843984, 17304980, 19777120, 27687968, 34609960, 69219920, 138439840]

約数ペア:

[(1, 138439840), (2, 69219920), (4, 34609960), (5, 27687968), (7, 19777120), (8, 17304980), (10, 13843984), (11, 12585440), (14, 9888560), (16, 8652490), (17, 8143520), (20, 6921992), (22, 6292720), (28, 4944280), (32, 4326245), (34, 4071760), (35, 3955424), (40, 3460996), (44, 3146360), (55, 2517088), (56, 2472140), (68, 2035880), (70, 1977712), (77, 1797920), (80, 1730498), (85, 1628704), (88, 1573180), (110, 1258544), (112, 1236070), (119, 1163360), (136, 1017940), (140, 988856), (154, 898960), (160, 865249), (170, 814352), (176, 786590), (187, 740320), (220, 629272), (224, 618035), (238, 581680), (272, 508970), (280, 494428), (308, 449480), (340, 407176), (352, 393295), (374, 370160), (385, 359584), (440, 314636), (476, 290840), (544, 254485), (560, 247214), (595, 232672), (616, 224740), (661, 209440), (680, 203588), (748, 185080), (770, 179792), (880, 157318), (935, 148064), (952, 145420), (1120, 123607), (1190, 116336), (1232, 112370), (1309, 105760), (1322, 104720), (1360, 101794), (1496, 92540), (1540, 89896), (1760, 78659), (1870, 74032), (1904, 72710), (2380, 58168), (2464, 56185), (2618, 52880), (2644, 52360), (2720, 50897), (2992, 46270), (3080, 44948), (3305, 41888), (3740, 37016), (3808, 36355), (4627, 29920), (4760, 29084), (5236, 26440), (5288, 26180), (5984, 23135), (6160, 22474), (6545, 21152), (6610, 20944), (7271, 19040), (7480, 18508), (9254, 14960), (9520, 14542), (10472, 13220), (10576, 13090), (11237, 12320)]