204857140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{602521}}^1$

素因数の和:602547

約数の個数: 24

約数和(自身を含む): 455506632

約数和(自身を除く): 250649492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 602521, 1205042, 2410084, 3012605, 6025210, 10242857, 12050420, 20485714, 40971428, 51214285, 102428570, 204857140]

約数ペア:

[(1, 204857140), (2, 102428570), (4, 51214285), (5, 40971428), (10, 20485714), (17, 12050420), (20, 10242857), (34, 6025210), (68, 3012605), (85, 2410084), (170, 1205042), (340, 602521)]