199449710

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{143489}}^1$

素因数の和:143635

約数の個数: 16

約数和(自身を含む): 361594800

約数和(自身を除く): 162145090

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 143489, 286978, 717445, 1434890, 19944971, 39889942, 99724855, 199449710]

約数ペア:

[(1, 199449710), (2, 99724855), (5, 39889942), (10, 19944971), (139, 1434890), (278, 717445), (695, 286978), (1390, 143489)]