992054140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{644191}}^1$

素因数の和:644218

約数の個数: 48

約数和(自身を含む): 2597382144

約数和(自身を除く): 1605328004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 644191, 1288382, 2576764, 3220955, 4509337, 6441910, 7086101, 9018674, 12883820, 14172202, 18037348, 22546685, 28344404, 35430505, 45093370, 49602707, 70861010, 90186740, 99205414, 141722020, 198410828, 248013535, 496027070, 992054140]

約数ペア:

[(1, 992054140), (2, 496027070), (4, 248013535), (5, 198410828), (7, 141722020), (10, 99205414), (11, 90186740), (14, 70861010), (20, 49602707), (22, 45093370), (28, 35430505), (35, 28344404), (44, 22546685), (55, 18037348), (70, 14172202), (77, 12883820), (110, 9018674), (140, 7086101), (154, 6441910), (220, 4509337), (308, 3220955), (385, 2576764), (770, 1288382), (1540, 644191)]