189877360

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4663}}^1$

素因数の和:5185

約数の個数: 40

約数和(自身を含む): 442427040

約数和(自身を除く): 252549680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 4663, 5090, 8144, 9326, 10180, 18652, 20360, 23315, 37304, 40720, 46630, 74608, 93260, 186520, 373040, 2373467, 4746934, 9493868, 11867335, 18987736, 23734670, 37975472, 47469340, 94938680, 189877360]

約数ペア:

[(1, 189877360), (2, 94938680), (4, 47469340), (5, 37975472), (8, 23734670), (10, 18987736), (16, 11867335), (20, 9493868), (40, 4746934), (80, 2373467), (509, 373040), (1018, 186520), (2036, 93260), (2545, 74608), (4072, 46630), (4663, 40720), (5090, 37304), (8144, 23315), (9326, 20360), (10180, 18652)]