209514840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1745957}}^1$

素因数の和:1745971

約数の個数: 32

約数和(自身を含む): 628544880

約数和(自身を除く): 419030040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1745957, 3491914, 5237871, 6983828, 8729785, 10475742, 13967656, 17459570, 20951484, 26189355, 34919140, 41902968, 52378710, 69838280, 104757420, 209514840]

約数ペア:

[(1, 209514840), (2, 104757420), (3, 69838280), (4, 52378710), (5, 41902968), (6, 34919140), (8, 26189355), (10, 20951484), (12, 17459570), (15, 13967656), (20, 10475742), (24, 8729785), (30, 6983828), (40, 5237871), (60, 3491914), (120, 1745957)]