297452720

素因数分解:

$2^4\times 5^1\times {\mathrm{3718159}}^1$

素因数の和:3718172

約数の個数: 20

約数和(自身を含む): 691577760

約数和(自身を除く): 394125040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3718159, 7436318, 14872636, 18590795, 29745272, 37181590, 59490544, 74363180, 148726360, 297452720]

約数ペア:

[(1, 297452720), (2, 148726360), (4, 74363180), (5, 59490544), (8, 37181590), (10, 29745272), (16, 18590795), (20, 14872636), (40, 7436318), (80, 3718159)]