1994565890

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{281321}}^1$

素因数の和:282037

約数の個数: 16

約数和(自身を含む): 3595295160

約数和(自身を除く): 1600729270

約数列:

[1, 2, 5, 10, 709, 1418, 3545, 7090, 281321, 562642, 1406605, 2813210, 199456589, 398913178, 997282945, 1994565890]

約数ペア:

[(1, 1994565890), (2, 997282945), (5, 398913178), (10, 199456589), (709, 2813210), (1418, 1406605), (3545, 562642), (7090, 281321)]