28907021920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{8191}}^1$

素因数の和:8373

約数の個数: 192

約数和(自身を含む): 82046877696

約数和(自身を除く): 53139855776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 137, 140, 160, 161, 184, 224, 230, 274, 280, 322, 368, 460, 548, 560, 644, 685, 736, 805, 920, 959, 1096, 1120, 1288, 1370, 1610, 1840, 1918, 2192, 2576, 2740, 3151, 3220, 3680, 3836, 4384, 4795, 5152, 5480, 6302, 6440, 7672, 8191, 9590, 10960, 12604, 12880, 15344, 15755, 16382, 19180, 21920, 22057, 25208, 25760, 30688, 31510, 32764, 38360, 40955, 44114, 50416, 57337, 63020, 65528, 76720, 81910, 88228, 100832, 110285, 114674, 126040, 131056, 153440, 163820, 176456, 188393, 220570, 229348, 252080, 262112, 286685, 327640, 352912, 376786, 441140, 458696, 504160, 573370, 655280, 705824, 753572, 882280, 917392, 941965, 1122167, 1146740, 1310560, 1318751, 1507144, 1764560, 1834784, 1883930, 2244334, 2293480, 2637502, 3014288, 3529120, 3767860, 4488668, 4586960, 5275004, 5610835, 6028576, 6593755, 7535720, 7855169, 8977336, 9173920, 10550008, 11221670, 13187510, 15071440, 15710338, 17954672, 21100016, 22443340, 25809841, 26375020, 30142880, 31420676, 35909344, 39275845, 42200032, 44886680, 51619682, 52750040, 62841352, 78551690, 89773360, 103239364, 105500080, 125682704, 129049205, 157103380, 179546720, 180668887, 206478728, 211000160, 251365408, 258098410, 314206760, 361337774, 412957456, 516196820, 628413520, 722675548, 825914912, 903344435, 1032393640, 1256827040, 1445351096, 1806688870, 2064787280, 2890702192, 3613377740, 4129574560, 5781404384, 7226755480, 14453510960, 28907021920]

約数ペア:

[(1, 28907021920), (2, 14453510960), (4, 7226755480), (5, 5781404384), (7, 4129574560), (8, 3613377740), (10, 2890702192), (14, 2064787280), (16, 1806688870), (20, 1445351096), (23, 1256827040), (28, 1032393640), (32, 903344435), (35, 825914912), (40, 722675548), (46, 628413520), (56, 516196820), (70, 412957456), (80, 361337774), (92, 314206760), (112, 258098410), (115, 251365408), (137, 211000160), (140, 206478728), (160, 180668887), (161, 179546720), (184, 157103380), (224, 129049205), (230, 125682704), (274, 105500080), (280, 103239364), (322, 89773360), (368, 78551690), (460, 62841352), (548, 52750040), (560, 51619682), (644, 44886680), (685, 42200032), (736, 39275845), (805, 35909344), (920, 31420676), (959, 30142880), (1096, 26375020), (1120, 25809841), (1288, 22443340), (1370, 21100016), (1610, 17954672), (1840, 15710338), (1918, 15071440), (2192, 13187510), (2576, 11221670), (2740, 10550008), (3151, 9173920), (3220, 8977336), (3680, 7855169), (3836, 7535720), (4384, 6593755), (4795, 6028576), (5152, 5610835), (5480, 5275004), (6302, 4586960), (6440, 4488668), (7672, 3767860), (8191, 3529120), (9590, 3014288), (10960, 2637502), (12604, 2293480), (12880, 2244334), (15344, 1883930), (15755, 1834784), (16382, 1764560), (19180, 1507144), (21920, 1318751), (22057, 1310560), (25208, 1146740), (25760, 1122167), (30688, 941965), (31510, 917392), (32764, 882280), (38360, 753572), (40955, 705824), (44114, 655280), (50416, 573370), (57337, 504160), (63020, 458696), (65528, 441140), (76720, 376786), (81910, 352912), (88228, 327640), (100832, 286685), (110285, 262112), (114674, 252080), (126040, 229348), (131056, 220570), (153440, 188393), (163820, 176456)]