139744990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1871}}^1$

素因数の和:1993

約数の個数: 64

約数和(自身を含む): 317011968

約数和(自身を除く): 177266978

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 97, 110, 154, 194, 385, 485, 679, 770, 970, 1067, 1358, 1871, 2134, 3395, 3742, 5335, 6790, 7469, 9355, 10670, 13097, 14938, 18710, 20581, 26194, 37345, 41162, 65485, 74690, 102905, 130970, 144067, 181487, 205810, 288134, 362974, 720335, 907435, 1270409, 1440670, 1814870, 1996357, 2540818, 3992714, 6352045, 9981785, 12704090, 13974499, 19963570, 27948998, 69872495, 139744990]

約数ペア:

[(1, 139744990), (2, 69872495), (5, 27948998), (7, 19963570), (10, 13974499), (11, 12704090), (14, 9981785), (22, 6352045), (35, 3992714), (55, 2540818), (70, 1996357), (77, 1814870), (97, 1440670), (110, 1270409), (154, 907435), (194, 720335), (385, 362974), (485, 288134), (679, 205810), (770, 181487), (970, 144067), (1067, 130970), (1358, 102905), (1871, 74690), (2134, 65485), (3395, 41162), (3742, 37345), (5335, 26194), (6790, 20581), (7469, 18710), (9355, 14938), (10670, 13097)]