2051250740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{190283}}^1$

素因数の和:190317

約数の個数: 72

約数和(自身を含む): 5466478752

約数和(自身を除く): 3415228012

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 190283, 380566, 761132, 951415, 1331981, 1902830, 2093113, 2663962, 3805660, 4186226, 5327924, 6659905, 8372452, 9323867, 10465565, 13319810, 14651791, 18647734, 20931130, 26639620, 29303582, 37295468, 41862260, 46619335, 58607164, 73258955, 93238670, 102562537, 146517910, 186477340, 205125074, 293035820, 410250148, 512812685, 1025625370, 2051250740]

約数ペア:

[(1, 2051250740), (2, 1025625370), (4, 512812685), (5, 410250148), (7, 293035820), (10, 205125074), (11, 186477340), (14, 146517910), (20, 102562537), (22, 93238670), (28, 73258955), (35, 58607164), (44, 46619335), (49, 41862260), (55, 37295468), (70, 29303582), (77, 26639620), (98, 20931130), (110, 18647734), (140, 14651791), (154, 13319810), (196, 10465565), (220, 9323867), (245, 8372452), (308, 6659905), (385, 5327924), (490, 4186226), (539, 3805660), (770, 2663962), (980, 2093113), (1078, 1902830), (1540, 1331981), (2156, 951415), (2695, 761132), (5390, 380566), (10780, 190283)]