2851916620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{19531}}^1$

素因数の和:19703

約数の個数: 72

約数和(自身を含む): 7013941200

約数和(自身を除く): 4162024580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1043, 1490, 2086, 2980, 4172, 5215, 7301, 10430, 14602, 19531, 20860, 29204, 36505, 39062, 73010, 78124, 97655, 136717, 146020, 195310, 273434, 390620, 546868, 683585, 957019, 1367170, 1914038, 2734340, 2910119, 3828076, 4785095, 5820238, 9570190, 11640476, 14550595, 19140380, 20370833, 29101190, 40741666, 58202380, 81483332, 101854165, 142595831, 203708330, 285191662, 407416660, 570383324, 712979155, 1425958310, 2851916620]

約数ペア:

[(1, 2851916620), (2, 1425958310), (4, 712979155), (5, 570383324), (7, 407416660), (10, 285191662), (14, 203708330), (20, 142595831), (28, 101854165), (35, 81483332), (49, 58202380), (70, 40741666), (98, 29101190), (140, 20370833), (149, 19140380), (196, 14550595), (245, 11640476), (298, 9570190), (490, 5820238), (596, 4785095), (745, 3828076), (980, 2910119), (1043, 2734340), (1490, 1914038), (2086, 1367170), (2980, 957019), (4172, 683585), (5215, 546868), (7301, 390620), (10430, 273434), (14602, 195310), (19531, 146020), (20860, 136717), (29204, 97655), (36505, 78124), (39062, 73010)]