821602107080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{547399}}^1$

素因数の和:547806

約数の個数: 64

約数和(自身を含む): 1868166720000

約数和(自身を除く): 1046564612920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 239, 314, 478, 628, 785, 956, 1195, 1256, 1570, 1912, 2390, 3140, 4780, 6280, 9560, 37523, 75046, 150092, 187615, 300184, 375230, 547399, 750460, 1094798, 1500920, 2189596, 2736995, 4379192, 5473990, 10947980, 21895960, 85941643, 130828361, 171883286, 261656722, 343766572, 429708215, 523313444, 654141805, 687533144, 859416430, 1046626888, 1308283610, 1718832860, 2616567220, 3437665720, 5233134440, 20540052677, 41080105354, 82160210708, 102700263385, 164320421416, 205400526770, 410801053540, 821602107080]

約数ペア:

[(1, 821602107080), (2, 410801053540), (4, 205400526770), (5, 164320421416), (8, 102700263385), (10, 82160210708), (20, 41080105354), (40, 20540052677), (157, 5233134440), (239, 3437665720), (314, 2616567220), (478, 1718832860), (628, 1308283610), (785, 1046626888), (956, 859416430), (1195, 687533144), (1256, 654141805), (1570, 523313444), (1912, 429708215), (2390, 343766572), (3140, 261656722), (4780, 171883286), (6280, 130828361), (9560, 85941643), (37523, 21895960), (75046, 10947980), (150092, 5473990), (187615, 4379192), (300184, 2736995), (375230, 2189596), (547399, 1500920), (750460, 1094798)]