199905719920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{80537}}^1$

素因数の和:80663

約数の個数: 160

約数和(自身を含む): 517711150080

約数和(自身を除く): 317805430160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 71, 76, 80, 92, 95, 115, 142, 152, 184, 190, 230, 284, 304, 355, 368, 380, 437, 460, 568, 710, 760, 874, 920, 1136, 1349, 1420, 1520, 1633, 1748, 1840, 2185, 2698, 2840, 3266, 3496, 4370, 5396, 5680, 6532, 6745, 6992, 8165, 8740, 10792, 13064, 13490, 16330, 17480, 21584, 26128, 26980, 31027, 32660, 34960, 53960, 62054, 65320, 80537, 107920, 124108, 130640, 155135, 161074, 248216, 310270, 322148, 402685, 496432, 620540, 644296, 805370, 1241080, 1288592, 1530203, 1610740, 1852351, 2482160, 3060406, 3221480, 3704702, 5718127, 6120812, 6442960, 7409404, 7651015, 9261755, 11436254, 12241624, 14818808, 15302030, 18523510, 22872508, 24483248, 28590635, 29637616, 30604060, 35194669, 37047020, 45745016, 57181270, 61208120, 70389338, 74094040, 91490032, 108644413, 114362540, 122416240, 131516921, 140778676, 148188080, 175973345, 217288826, 228725080, 263033842, 281557352, 351946690, 434577652, 457450160, 526067684, 543222065, 563114704, 657584605, 703893380, 869155304, 1052135368, 1086444130, 1315169210, 1407786760, 1738310608, 2104270736, 2172888260, 2498821499, 2630338420, 2815573520, 4345776520, 4997642998, 5260676840, 8691553040, 9995285996, 10521353680, 12494107495, 19990571992, 24988214990, 39981143984, 49976429980, 99952859960, 199905719920]

約数ペア:

[(1, 199905719920), (2, 99952859960), (4, 49976429980), (5, 39981143984), (8, 24988214990), (10, 19990571992), (16, 12494107495), (19, 10521353680), (20, 9995285996), (23, 8691553040), (38, 5260676840), (40, 4997642998), (46, 4345776520), (71, 2815573520), (76, 2630338420), (80, 2498821499), (92, 2172888260), (95, 2104270736), (115, 1738310608), (142, 1407786760), (152, 1315169210), (184, 1086444130), (190, 1052135368), (230, 869155304), (284, 703893380), (304, 657584605), (355, 563114704), (368, 543222065), (380, 526067684), (437, 457450160), (460, 434577652), (568, 351946690), (710, 281557352), (760, 263033842), (874, 228725080), (920, 217288826), (1136, 175973345), (1349, 148188080), (1420, 140778676), (1520, 131516921), (1633, 122416240), (1748, 114362540), (1840, 108644413), (2185, 91490032), (2698, 74094040), (2840, 70389338), (3266, 61208120), (3496, 57181270), (4370, 45745016), (5396, 37047020), (5680, 35194669), (6532, 30604060), (6745, 29637616), (6992, 28590635), (8165, 24483248), (8740, 22872508), (10792, 18523510), (13064, 15302030), (13490, 14818808), (16330, 12241624), (17480, 11436254), (21584, 9261755), (26128, 7651015), (26980, 7409404), (31027, 6442960), (32660, 6120812), (34960, 5718127), (53960, 3704702), (62054, 3221480), (65320, 3060406), (80537, 2482160), (107920, 1852351), (124108, 1610740), (130640, 1530203), (155135, 1288592), (161074, 1241080), (248216, 805370), (310270, 644296), (322148, 620540), (402685, 496432)]