191921920

素因数分解:

$2^8\times 5^1\times {\mathrm{149939}}^1$

素因数の和:149960

約数の個数: 36

約数和(自身を含む): 459716040

約数和(自身を除く): 267794120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 149939, 299878, 599756, 749695, 1199512, 1499390, 2399024, 2998780, 4798048, 5997560, 9596096, 11995120, 19192192, 23990240, 38384384, 47980480, 95960960, 191921920]

約数ペア:

[(1, 191921920), (2, 95960960), (4, 47980480), (5, 38384384), (8, 23990240), (10, 19192192), (16, 11995120), (20, 9596096), (32, 5997560), (40, 4798048), (64, 2998780), (80, 2399024), (128, 1499390), (160, 1199512), (256, 749695), (320, 599756), (640, 299878), (1280, 149939)]