1993900

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 4388608

約数和(自身を除く): 2394708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 157, 254, 314, 508, 628, 635, 785, 1270, 1570, 2540, 3140, 3175, 3925, 6350, 7850, 12700, 15700, 19939, 39878, 79756, 99695, 199390, 398780, 498475, 996950, 1993900]

約数ペア:

[(1, 1993900), (2, 996950), (4, 498475), (5, 398780), (10, 199390), (20, 99695), (25, 79756), (50, 39878), (100, 19939), (127, 15700), (157, 12700), (254, 7850), (314, 6350), (508, 3925), (628, 3175), (635, 3140), (785, 2540), (1270, 1570)]