190720

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1$

素因数の和:170

約数の個数: 36

約数和(自身を含む): 459900

約数和(自身を除く): 269180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 596, 640, 745, 1192, 1280, 1490, 2384, 2980, 4768, 5960, 9536, 11920, 19072, 23840, 38144, 47680, 95360, 190720]

約数ペア:

[(1, 190720), (2, 95360), (4, 47680), (5, 38144), (8, 23840), (10, 19072), (16, 11920), (20, 9536), (32, 5960), (40, 4768), (64, 2980), (80, 2384), (128, 1490), (149, 1280), (160, 1192), (256, 745), (298, 640), (320, 596)]