989241410

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^2\times {\mathrm{2549}}^1$

素因数の和:2950

約数の個数: 24

約数和(自身を含む): 1790421300

約数和(自身を除く): 801179890

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 2549, 5098, 12745, 25490, 38809, 77618, 194045, 388090, 502153, 1004306, 2510765, 5021530, 98924141, 197848282, 494620705, 989241410]

約数ペア:

[(1, 989241410), (2, 494620705), (5, 197848282), (10, 98924141), (197, 5021530), (394, 2510765), (985, 1004306), (1970, 502153), (2549, 388090), (5098, 194045), (12745, 77618), (25490, 38809)]