316910361620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{12601}}^1$

素因数の和:12969

約数の個数: 96

約数和(自身を含む): 685952064000

約数和(自身を除く): 369041702380

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 199, 284, 355, 356, 398, 445, 710, 796, 890, 995, 1420, 1780, 1990, 3980, 6319, 12601, 12638, 14129, 17711, 25202, 25276, 28258, 31595, 35422, 50404, 56516, 63005, 63190, 70645, 70844, 88555, 126010, 126380, 141290, 177110, 252020, 282580, 354220, 894671, 1121489, 1257481, 1789342, 2242978, 2507599, 2514962, 3578684, 4473355, 4485956, 5015198, 5029924, 5607445, 6287405, 8946710, 10030396, 11214890, 12537995, 12574810, 17893420, 22429780, 25075990, 25149620, 50151980, 79625719, 159251438, 178039529, 223176311, 318502876, 356079058, 398128595, 446352622, 712158116, 796257190, 890197645, 892705244, 1115881555, 1592514380, 1780395290, 2231763110, 3560790580, 4463526220, 15845518081, 31691036162, 63382072324, 79227590405, 158455180810, 316910361620]

約数ペア:

[(1, 316910361620), (2, 158455180810), (4, 79227590405), (5, 63382072324), (10, 31691036162), (20, 15845518081), (71, 4463526220), (89, 3560790580), (142, 2231763110), (178, 1780395290), (199, 1592514380), (284, 1115881555), (355, 892705244), (356, 890197645), (398, 796257190), (445, 712158116), (710, 446352622), (796, 398128595), (890, 356079058), (995, 318502876), (1420, 223176311), (1780, 178039529), (1990, 159251438), (3980, 79625719), (6319, 50151980), (12601, 25149620), (12638, 25075990), (14129, 22429780), (17711, 17893420), (25202, 12574810), (25276, 12537995), (28258, 11214890), (31595, 10030396), (35422, 8946710), (50404, 6287405), (56516, 5607445), (63005, 5029924), (63190, 5015198), (70645, 4485956), (70844, 4473355), (88555, 3578684), (126010, 2514962), (126380, 2507599), (141290, 2242978), (177110, 1789342), (252020, 1257481), (282580, 1121489), (354220, 894671)]