193701980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{27751}}^1$

素因数の和:28109

約数の個数: 24

約数和(自身を含む): 407954400

約数和(自身を除く): 214252420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 27751, 55502, 111004, 138755, 277510, 555020, 9685099, 19370198, 38740396, 48425495, 96850990, 193701980]

約数ペア:

[(1, 193701980), (2, 96850990), (4, 48425495), (5, 38740396), (10, 19370198), (20, 9685099), (349, 555020), (698, 277510), (1396, 138755), (1745, 111004), (3490, 55502), (6980, 27751)]