1311805220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313829}}^1$

素因数の和:313868

約数の個数: 48

約数和(自身を含む): 3163406400

約数和(自身を除く): 1851601180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 313829, 627658, 1255316, 1569145, 3138290, 3452119, 5962751, 6276580, 6904238, 11925502, 13808476, 17260595, 23851004, 29813755, 34521190, 59627510, 65590261, 69042380, 119255020, 131180522, 262361044, 327951305, 655902610, 1311805220]

約数ペア:

[(1, 1311805220), (2, 655902610), (4, 327951305), (5, 262361044), (10, 131180522), (11, 119255020), (19, 69042380), (20, 65590261), (22, 59627510), (38, 34521190), (44, 29813755), (55, 23851004), (76, 17260595), (95, 13808476), (110, 11925502), (190, 6904238), (209, 6276580), (220, 5962751), (380, 3452119), (418, 3138290), (836, 1569145), (1045, 1255316), (2090, 627658), (4180, 313829)]