2100068185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{647}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 2671460352

約数和(自身を除く): 571392167

約数列:

[1, 5, 31, 43, 155, 215, 487, 647, 1333, 2435, 3235, 6665, 15097, 20057, 20941, 27821, 75485, 100285, 104705, 139105, 315089, 649171, 862451, 1575445, 3245855, 4312255, 9767759, 13548827, 48838795, 67744135, 420013637, 2100068185]

約数ペア:

[(1, 2100068185), (5, 420013637), (31, 67744135), (43, 48838795), (155, 13548827), (215, 9767759), (487, 4312255), (647, 3245855), (1333, 1575445), (2435, 862451), (3235, 649171), (6665, 315089), (15097, 139105), (20057, 104705), (20941, 100285), (27821, 75485)]