388978880

素因数分解:

$2^6\times 5^1\times {\mathrm{337}}^1\times {\mathrm{3607}}^1$

素因数の和:3961

約数の個数: 56

約数和(自身を含む): 929262048

約数和(自身を除く): 540283168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 337, 674, 1348, 1685, 2696, 3370, 3607, 5392, 6740, 7214, 10784, 13480, 14428, 18035, 21568, 26960, 28856, 36070, 53920, 57712, 72140, 107840, 115424, 144280, 230848, 288560, 577120, 1154240, 1215559, 2431118, 4862236, 6077795, 9724472, 12155590, 19448944, 24311180, 38897888, 48622360, 77795776, 97244720, 194489440, 388978880]

約数ペア:

[(1, 388978880), (2, 194489440), (4, 97244720), (5, 77795776), (8, 48622360), (10, 38897888), (16, 24311180), (20, 19448944), (32, 12155590), (40, 9724472), (64, 6077795), (80, 4862236), (160, 2431118), (320, 1215559), (337, 1154240), (674, 577120), (1348, 288560), (1685, 230848), (2696, 144280), (3370, 115424), (3607, 107840), (5392, 72140), (6740, 57712), (7214, 53920), (10784, 36070), (13480, 28856), (14428, 26960), (18035, 21568)]