388690880

素因数分解:

$2^6\times 5^1\times {\mathrm{1214659}}^1$

素因数の和:1214676

約数の個数: 28

約数和(自身を含む): 925570920

約数和(自身を除く): 536880040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1214659, 2429318, 4858636, 6073295, 9717272, 12146590, 19434544, 24293180, 38869088, 48586360, 77738176, 97172720, 194345440, 388690880]

約数ペア:

[(1, 388690880), (2, 194345440), (4, 97172720), (5, 77738176), (8, 48586360), (10, 38869088), (16, 24293180), (20, 19434544), (32, 12146590), (40, 9717272), (64, 6073295), (80, 4858636), (160, 2429318), (320, 1214659)]