339887960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{447221}}^1$

素因数の和:447251

約数の個数: 32

約数和(自身を含む): 804999600

約数和(自身を除く): 465111640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 447221, 894442, 1788884, 2236105, 3577768, 4472210, 8497199, 8944420, 16994398, 17888840, 33988796, 42485995, 67977592, 84971990, 169943980, 339887960]

約数ペア:

[(1, 339887960), (2, 169943980), (4, 84971990), (5, 67977592), (8, 42485995), (10, 33988796), (19, 17888840), (20, 16994398), (38, 8944420), (40, 8497199), (76, 4472210), (95, 3577768), (152, 2236105), (190, 1788884), (380, 894442), (760, 447221)]