1881104920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{299539}}^1$

素因数の和:299707

約数の個数: 32

約数和(自身を含む): 4259458800

約数和(自身を除く): 2378353880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 299539, 599078, 1198156, 1497695, 2396312, 2995390, 5990780, 11981560, 47027623, 94055246, 188110492, 235138115, 376220984, 470276230, 940552460, 1881104920]

約数ペア:

[(1, 1881104920), (2, 940552460), (4, 470276230), (5, 376220984), (8, 235138115), (10, 188110492), (20, 94055246), (40, 47027623), (157, 11981560), (314, 5990780), (628, 2995390), (785, 2396312), (1256, 1497695), (1570, 1198156), (3140, 599078), (6280, 299539)]