1961782130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{363967}}^1$

素因数の和:363999

約数の個数: 48

約数和(自身を含む): 4481174016

約数和(自身を除く): 2519391886

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 363967, 727934, 1819835, 2547769, 3639670, 4003637, 5095538, 8007274, 12738845, 17834383, 20018185, 25477690, 28025459, 35668766, 40036370, 56050918, 89171915, 140127295, 178343830, 196178213, 280254590, 392356426, 980891065, 1961782130]

約数ペア:

[(1, 1961782130), (2, 980891065), (5, 392356426), (7, 280254590), (10, 196178213), (11, 178343830), (14, 140127295), (22, 89171915), (35, 56050918), (49, 40036370), (55, 35668766), (70, 28025459), (77, 25477690), (98, 20018185), (110, 17834383), (154, 12738845), (245, 8007274), (385, 5095538), (490, 4003637), (539, 3639670), (770, 2547769), (1078, 1819835), (2695, 727934), (5390, 363967)]