1517720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 3596400

約数和(自身を除く): 2078680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1997, 3994, 7988, 9985, 15976, 19970, 37943, 39940, 75886, 79880, 151772, 189715, 303544, 379430, 758860, 1517720]

約数ペア:

[(1, 1517720), (2, 758860), (4, 379430), (5, 303544), (8, 189715), (10, 151772), (19, 79880), (20, 75886), (38, 39940), (40, 37943), (76, 19970), (95, 15976), (152, 9985), (190, 7988), (380, 3994), (760, 1997)]