222125540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 597897216

約数和(自身を除く): 375771676

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 127, 130, 140, 155, 182, 217, 254, 260, 310, 364, 403, 434, 455, 508, 620, 635, 806, 868, 889, 910, 961, 1085, 1270, 1612, 1651, 1778, 1820, 1922, 2015, 2170, 2540, 2821, 3302, 3556, 3844, 3937, 4030, 4340, 4445, 4805, 5642, 6604, 6727, 7874, 8060, 8255, 8890, 9610, 11284, 11557, 12493, 13454, 14105, 15748, 16510, 17780, 19220, 19685, 23114, 24986, 26908, 27559, 28210, 33020, 33635, 39370, 46228, 49972, 51181, 55118, 56420, 57785, 62465, 67270, 78740, 87451, 102362, 110236, 115570, 122047, 124930, 134540, 137795, 174902, 204724, 231140, 244094, 249860, 255905, 275590, 349804, 358267, 437255, 488188, 511810, 551180, 610235, 716534, 854329, 874510, 1023620, 1220470, 1433068, 1586611, 1708658, 1749020, 1791335, 2440940, 3173222, 3417316, 3582670, 4271645, 6346444, 7165340, 7933055, 8543290, 11106277, 15866110, 17086580, 22212554, 31732220, 44425108, 55531385, 111062770, 222125540]

約数ペア:

[(1, 222125540), (2, 111062770), (4, 55531385), (5, 44425108), (7, 31732220), (10, 22212554), (13, 17086580), (14, 15866110), (20, 11106277), (26, 8543290), (28, 7933055), (31, 7165340), (35, 6346444), (52, 4271645), (62, 3582670), (65, 3417316), (70, 3173222), (91, 2440940), (124, 1791335), (127, 1749020), (130, 1708658), (140, 1586611), (155, 1433068), (182, 1220470), (217, 1023620), (254, 874510), (260, 854329), (310, 716534), (364, 610235), (403, 551180), (434, 511810), (455, 488188), (508, 437255), (620, 358267), (635, 349804), (806, 275590), (868, 255905), (889, 249860), (910, 244094), (961, 231140), (1085, 204724), (1270, 174902), (1612, 137795), (1651, 134540), (1778, 124930), (1820, 122047), (1922, 115570), (2015, 110236), (2170, 102362), (2540, 87451), (2821, 78740), (3302, 67270), (3556, 62465), (3844, 57785), (3937, 56420), (4030, 55118), (4340, 51181), (4445, 49972), (4805, 46228), (5642, 39370), (6604, 33635), (6727, 33020), (7874, 28210), (8060, 27559), (8255, 26908), (8890, 24986), (9610, 23114), (11284, 19685), (11557, 19220), (12493, 17780), (13454, 16510), (14105, 15748)]