515087020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{525599}}^1$

素因数の和:525622

約数の個数: 36

約数和(自身を含む): 1258286400

約数和(自身を除く): 743199380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 525599, 1051198, 2102396, 2627995, 3679193, 5255990, 7358386, 10511980, 14716772, 18395965, 25754351, 36791930, 51508702, 73583860, 103017404, 128771755, 257543510, 515087020]

約数ペア:

[(1, 515087020), (2, 257543510), (4, 128771755), (5, 103017404), (7, 73583860), (10, 51508702), (14, 36791930), (20, 25754351), (28, 18395965), (35, 14716772), (49, 10511980), (70, 7358386), (98, 5255990), (140, 3679193), (196, 2627995), (245, 2102396), (490, 1051198), (980, 525599)]