139439860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 368686080

約数和(自身を除く): 229246220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 89, 95, 124, 133, 140, 155, 178, 190, 217, 266, 310, 356, 361, 380, 434, 445, 532, 589, 620, 623, 665, 722, 868, 890, 1085, 1178, 1246, 1330, 1444, 1691, 1780, 1805, 2170, 2356, 2492, 2527, 2660, 2759, 2945, 3115, 3382, 3610, 4123, 4340, 5054, 5518, 5890, 6230, 6764, 7220, 8246, 8455, 10108, 11036, 11191, 11780, 11837, 12460, 12635, 13795, 16492, 16910, 19313, 20615, 22382, 23674, 25270, 27590, 32129, 33820, 38626, 41230, 44764, 47348, 50540, 52421, 55180, 55955, 59185, 64258, 77252, 78337, 82460, 96565, 104842, 111910, 118370, 128516, 156674, 160645, 193130, 209684, 223820, 224903, 236740, 262105, 313348, 321290, 366947, 386260, 391685, 449806, 524210, 642580, 733894, 783370, 899612, 995999, 1048420, 1124515, 1467788, 1566740, 1834735, 1991998, 2249030, 3669470, 3983996, 4498060, 4979995, 6971993, 7338940, 9959990, 13943986, 19919980, 27887972, 34859965, 69719930, 139439860]

約数ペア:

[(1, 139439860), (2, 69719930), (4, 34859965), (5, 27887972), (7, 19919980), (10, 13943986), (14, 9959990), (19, 7338940), (20, 6971993), (28, 4979995), (31, 4498060), (35, 3983996), (38, 3669470), (62, 2249030), (70, 1991998), (76, 1834735), (89, 1566740), (95, 1467788), (124, 1124515), (133, 1048420), (140, 995999), (155, 899612), (178, 783370), (190, 733894), (217, 642580), (266, 524210), (310, 449806), (356, 391685), (361, 386260), (380, 366947), (434, 321290), (445, 313348), (532, 262105), (589, 236740), (620, 224903), (623, 223820), (665, 209684), (722, 193130), (868, 160645), (890, 156674), (1085, 128516), (1178, 118370), (1246, 111910), (1330, 104842), (1444, 96565), (1691, 82460), (1780, 78337), (1805, 77252), (2170, 64258), (2356, 59185), (2492, 55955), (2527, 55180), (2660, 52421), (2759, 50540), (2945, 47348), (3115, 44764), (3382, 41230), (3610, 38626), (4123, 33820), (4340, 32129), (5054, 27590), (5518, 25270), (5890, 23674), (6230, 22382), (6764, 20615), (7220, 19313), (8246, 16910), (8455, 16492), (10108, 13795), (11036, 12635), (11191, 12460), (11780, 11837)]