1999773790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{60913}}^1$

素因数の和:61001

約数の個数: 48

約数和(自身を含む): 4249847952

約数和(自身を除く): 2250074162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 98, 134, 245, 335, 469, 490, 670, 938, 2345, 3283, 4690, 6566, 16415, 32830, 60913, 121826, 304565, 426391, 609130, 852782, 2131955, 2984737, 4081171, 4263910, 5969474, 8162342, 14923685, 20405855, 28568197, 29847370, 40811710, 57136394, 142840985, 199977379, 285681970, 399954758, 999886895, 1999773790]

約数ペア:

[(1, 1999773790), (2, 999886895), (5, 399954758), (7, 285681970), (10, 199977379), (14, 142840985), (35, 57136394), (49, 40811710), (67, 29847370), (70, 28568197), (98, 20405855), (134, 14923685), (245, 8162342), (335, 5969474), (469, 4263910), (490, 4081171), (670, 2984737), (938, 2131955), (2345, 852782), (3283, 609130), (4690, 426391), (6566, 304565), (16415, 121826), (32830, 60913)]