20923304875900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{1871}}^1\times {\mathrm{2213}}^1\times {\mathrm{7219}}^1$

素因数の和:11324

約数の個数: 144

約数和(自身を含む): 51948185103360

約数和(自身を除く): 31024880227460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 1871, 2213, 3742, 4426, 7219, 7484, 8852, 9355, 11065, 13097, 14438, 15491, 18710, 22130, 26194, 28876, 30982, 36095, 37420, 44260, 46775, 50533, 52388, 55325, 61964, 65485, 72190, 77455, 93550, 101066, 110650, 130970, 144380, 154910, 180475, 187100, 202132, 221300, 252665, 261940, 309820, 327425, 360950, 387275, 505330, 654850, 721900, 774550, 1010660, 1263325, 1309700, 1549100, 2526650, 4140523, 5053300, 8281046, 13506749, 15975647, 16562092, 20702615, 27013498, 28983661, 31951294, 41405230, 54026996, 57967322, 63902588, 67533745, 79878235, 82810460, 94547243, 103513075, 111829529, 115934644, 135067490, 144918305, 159756470, 189094486, 207026150, 223659058, 270134980, 289836610, 319512940, 337668725, 378188972, 399391175, 414052300, 447318116, 472736215, 559147645, 579673220, 675337450, 724591525, 798782350, 945472430, 1118295290, 1350674900, 1449183050, 1597564700, 1890944860, 2236590580, 2363681075, 2795738225, 2898366100, 4727362150, 5591476450, 9454724300, 11182952900, 29890435537, 59780871074, 119561742148, 149452177685, 209233048759, 298904355370, 418466097518, 597808710740, 747260888425, 836932195036, 1046165243795, 1494521776850, 2092330487590, 2989043553700, 4184660975180, 5230826218975, 10461652437950, 20923304875900]

約数ペア:

[(1, 20923304875900), (2, 10461652437950), (4, 5230826218975), (5, 4184660975180), (7, 2989043553700), (10, 2092330487590), (14, 1494521776850), (20, 1046165243795), (25, 836932195036), (28, 747260888425), (35, 597808710740), (50, 418466097518), (70, 298904355370), (100, 209233048759), (140, 149452177685), (175, 119561742148), (350, 59780871074), (700, 29890435537), (1871, 11182952900), (2213, 9454724300), (3742, 5591476450), (4426, 4727362150), (7219, 2898366100), (7484, 2795738225), (8852, 2363681075), (9355, 2236590580), (11065, 1890944860), (13097, 1597564700), (14438, 1449183050), (15491, 1350674900), (18710, 1118295290), (22130, 945472430), (26194, 798782350), (28876, 724591525), (30982, 675337450), (36095, 579673220), (37420, 559147645), (44260, 472736215), (46775, 447318116), (50533, 414052300), (52388, 399391175), (55325, 378188972), (61964, 337668725), (65485, 319512940), (72190, 289836610), (77455, 270134980), (93550, 223659058), (101066, 207026150), (110650, 189094486), (130970, 159756470), (144380, 144918305), (154910, 135067490), (180475, 115934644), (187100, 111829529), (202132, 103513075), (221300, 94547243), (252665, 82810460), (261940, 79878235), (309820, 67533745), (327425, 63902588), (360950, 57967322), (387275, 54026996), (505330, 41405230), (654850, 31951294), (721900, 28983661), (774550, 27013498), (1010660, 20702615), (1263325, 16562092), (1309700, 15975647), (1549100, 13506749), (2526650, 8281046), (4140523, 5053300)]