299388520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{141221}}^1$

素因数の和:141285

約数の個数: 32

約数和(自身を含む): 686338920

約数和(自身を除く): 386950400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 141221, 282442, 564884, 706105, 1129768, 1412210, 2824420, 5648840, 7484713, 14969426, 29938852, 37423565, 59877704, 74847130, 149694260, 299388520]

約数ペア:

[(1, 299388520), (2, 149694260), (4, 74847130), (5, 59877704), (8, 37423565), (10, 29938852), (20, 14969426), (40, 7484713), (53, 5648840), (106, 2824420), (212, 1412210), (265, 1129768), (424, 706105), (530, 564884), (1060, 282442), (2120, 141221)]