188778820

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{35089}}^1$

素因数の和:35367

約数の個数: 24

約数和(自身を含む): 397920600

約数和(自身を除く): 209141780

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 35089, 70178, 140356, 175445, 350890, 701780, 9438941, 18877882, 37755764, 47194705, 94389410, 188778820]

約数ペア:

[(1, 188778820), (2, 94389410), (4, 47194705), (5, 37755764), (10, 18877882), (20, 9438941), (269, 701780), (538, 350890), (1076, 175445), (1345, 140356), (2690, 70178), (5380, 35089)]