256395690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149939}}^1$

素因数の和:149971

約数の個数: 48

約数和(自身を含む): 701719200

約数和(自身を除く): 445323510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 149939, 299878, 449817, 749695, 899634, 1349451, 1499390, 2249085, 2698902, 2848841, 4498170, 5697682, 6747255, 8546523, 13494510, 14244205, 17093046, 25639569, 28488410, 42732615, 51279138, 85465230, 128197845, 256395690]

約数ペア:

[(1, 256395690), (2, 128197845), (3, 85465230), (5, 51279138), (6, 42732615), (9, 28488410), (10, 25639569), (15, 17093046), (18, 14244205), (19, 13494510), (30, 8546523), (38, 6747255), (45, 5697682), (57, 4498170), (90, 2848841), (95, 2698902), (114, 2249085), (171, 1499390), (190, 1349451), (285, 899634), (342, 749695), (570, 449817), (855, 299878), (1710, 149939)]