61487860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439199}}^1$

素因数の和:439215

約数の個数: 24

約数和(自身を含む): 147571200

約数和(自身を除く): 86083340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439199, 878398, 1756796, 2195995, 3074393, 4391990, 6148786, 8783980, 12297572, 15371965, 30743930, 61487860]

約数ペア:

[(1, 61487860), (2, 30743930), (4, 15371965), (5, 12297572), (7, 8783980), (10, 6148786), (14, 4391990), (20, 3074393), (28, 2195995), (35, 1756796), (70, 878398), (140, 439199)]