309297920

素因数分解:

$2^8\times 5^1\times {\mathrm{241639}}^1$

素因数の和:241660

約数の個数: 36

約数和(自身を含む): 740868240

約数和(自身を除く): 431570320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 241639, 483278, 966556, 1208195, 1933112, 2416390, 3866224, 4832780, 7732448, 9665560, 15464896, 19331120, 30929792, 38662240, 61859584, 77324480, 154648960, 309297920]

約数ペア:

[(1, 309297920), (2, 154648960), (4, 77324480), (5, 61859584), (8, 38662240), (10, 30929792), (16, 19331120), (20, 15464896), (32, 9665560), (40, 7732448), (64, 4832780), (80, 3866224), (128, 2416390), (160, 1933112), (256, 1208195), (320, 966556), (640, 483278), (1280, 241639)]