3138620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 6644400

約数和(自身を除く): 3505780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1129, 1390, 2258, 2780, 4516, 5645, 11290, 22580, 156931, 313862, 627724, 784655, 1569310, 3138620]

約数ペア:

[(1, 3138620), (2, 1569310), (4, 784655), (5, 627724), (10, 313862), (20, 156931), (139, 22580), (278, 11290), (556, 5645), (695, 4516), (1129, 2780), (1390, 2258)]