274242680

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{16763}}^1$

素因数の和:17183

約数の個数: 32

約数和(自身を含む): 618591600

約数和(自身を除く): 344348920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 16763, 33526, 67052, 83815, 134104, 167630, 335260, 670520, 6856067, 13712134, 27424268, 34280335, 54848536, 68560670, 137121340, 274242680]

約数ペア:

[(1, 274242680), (2, 137121340), (4, 68560670), (5, 54848536), (8, 34280335), (10, 27424268), (20, 13712134), (40, 6856067), (409, 670520), (818, 335260), (1636, 167630), (2045, 134104), (3272, 83815), (4090, 67052), (8180, 33526), (16360, 16763)]