227907280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149939}}^1$

素因数の和:149971

約数の個数: 40

約数和(自身を含む): 557776800

約数和(自身を除く): 329869520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 149939, 299878, 599756, 749695, 1199512, 1499390, 2399024, 2848841, 2998780, 5697682, 5997560, 11395364, 11995120, 14244205, 22790728, 28488410, 45581456, 56976820, 113953640, 227907280]

約数ペア:

[(1, 227907280), (2, 113953640), (4, 56976820), (5, 45581456), (8, 28488410), (10, 22790728), (16, 14244205), (19, 11995120), (20, 11395364), (38, 5997560), (40, 5697682), (76, 2998780), (80, 2848841), (95, 2399024), (152, 1499390), (190, 1199512), (304, 749695), (380, 599756), (760, 299878), (1520, 149939)]