2011738180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 4756485888

約数和(自身を除く): 2744747708

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 47, 62, 68, 85, 94, 124, 131, 155, 170, 188, 235, 262, 310, 340, 470, 524, 527, 620, 655, 799, 940, 961, 1054, 1310, 1457, 1598, 1922, 2108, 2227, 2620, 2635, 2914, 3196, 3844, 3995, 4061, 4454, 4805, 5270, 5828, 6157, 7285, 7990, 8122, 8908, 9610, 10540, 11135, 12314, 14570, 15980, 16244, 16337, 19220, 20305, 22270, 24628, 24769, 29140, 30785, 32674, 40610, 44540, 45167, 49538, 61570, 65348, 69037, 81220, 81685, 90334, 99076, 104669, 123140, 123845, 125891, 138074, 163370, 180668, 190867, 209338, 225835, 247690, 251782, 276148, 326740, 345185, 381734, 418676, 451670, 495380, 503564, 523345, 629455, 690370, 763468, 767839, 903340, 954335, 1046690, 1258910, 1380740, 1535678, 1908670, 2093380, 2140147, 2517820, 3071356, 3244739, 3817340, 3839195, 4280294, 5916877, 6489478, 7678390, 8560588, 10700735, 11833754, 12978956, 15356780, 16223695, 21401470, 23667508, 29584385, 32447390, 42802940, 59168770, 64894780, 100586909, 118337540, 201173818, 402347636, 502934545, 1005869090, 2011738180]

約数ペア:

[(1, 2011738180), (2, 1005869090), (4, 502934545), (5, 402347636), (10, 201173818), (17, 118337540), (20, 100586909), (31, 64894780), (34, 59168770), (47, 42802940), (62, 32447390), (68, 29584385), (85, 23667508), (94, 21401470), (124, 16223695), (131, 15356780), (155, 12978956), (170, 11833754), (188, 10700735), (235, 8560588), (262, 7678390), (310, 6489478), (340, 5916877), (470, 4280294), (524, 3839195), (527, 3817340), (620, 3244739), (655, 3071356), (799, 2517820), (940, 2140147), (961, 2093380), (1054, 1908670), (1310, 1535678), (1457, 1380740), (1598, 1258910), (1922, 1046690), (2108, 954335), (2227, 903340), (2620, 767839), (2635, 763468), (2914, 690370), (3196, 629455), (3844, 523345), (3995, 503564), (4061, 495380), (4454, 451670), (4805, 418676), (5270, 381734), (5828, 345185), (6157, 326740), (7285, 276148), (7990, 251782), (8122, 247690), (8908, 225835), (9610, 209338), (10540, 190867), (11135, 180668), (12314, 163370), (14570, 138074), (15980, 125891), (16244, 123845), (16337, 123140), (19220, 104669), (20305, 99076), (22270, 90334), (24628, 81685), (24769, 81220), (29140, 69037), (30785, 65348), (32674, 61570), (40610, 49538), (44540, 45167)]