140529620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91253}}^1$

素因数の和:91280

約数の個数: 48

約数和(自身を含む): 367936128

約数和(自身を除く): 227406508

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, 91253, 182506, 365012, 456265, 638771, 912530, 1003783, 1277542, 1825060, 2007566, 2555084, 3193855, 4015132, 5018915, 6387710, 7026481, 10037830, 12775420, 14052962, 20075660, 28105924, 35132405, 70264810, 140529620]

約数ペア:

[(1, 140529620), (2, 70264810), (4, 35132405), (5, 28105924), (7, 20075660), (10, 14052962), (11, 12775420), (14, 10037830), (20, 7026481), (22, 6387710), (28, 5018915), (35, 4015132), (44, 3193855), (55, 2555084), (70, 2007566), (77, 1825060), (110, 1277542), (140, 1003783), (154, 912530), (220, 638771), (308, 456265), (385, 365012), (770, 182506), (1540, 91253)]