311944280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{410453}}^1$

素因数の和:410483

約数の個数: 32

約数和(自身を含む): 738817200

約数和(自身を除く): 426872920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 410453, 820906, 1641812, 2052265, 3283624, 4104530, 7798607, 8209060, 15597214, 16418120, 31194428, 38993035, 62388856, 77986070, 155972140, 311944280]

約数ペア:

[(1, 311944280), (2, 155972140), (4, 77986070), (5, 62388856), (8, 38993035), (10, 31194428), (19, 16418120), (20, 15597214), (38, 8209060), (40, 7798607), (76, 4104530), (95, 3283624), (152, 2052265), (190, 1641812), (380, 820906), (760, 410453)]