30668540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{499}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 73920000

約数和(自身を除く): 43251460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 499, 878, 998, 1756, 1996, 2195, 2495, 3073, 3493, 4390, 4990, 6146, 6986, 8780, 9980, 12292, 13972, 15365, 17465, 30730, 34930, 61460, 69860, 219061, 438122, 876244, 1095305, 1533427, 2190610, 3066854, 4381220, 6133708, 7667135, 15334270, 30668540]

約数ペア:

[(1, 30668540), (2, 15334270), (4, 7667135), (5, 6133708), (7, 4381220), (10, 3066854), (14, 2190610), (20, 1533427), (28, 1095305), (35, 876244), (70, 438122), (140, 219061), (439, 69860), (499, 61460), (878, 34930), (998, 30730), (1756, 17465), (1996, 15365), (2195, 13972), (2495, 12292), (3073, 9980), (3493, 8780), (4390, 6986), (4990, 6146)]