142520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{509}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 367200

約数和(自身を除く): 224680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 509, 1018, 2036, 2545, 3563, 4072, 5090, 7126, 10180, 14252, 17815, 20360, 28504, 35630, 71260, 142520]

約数ペア:

[(1, 142520), (2, 71260), (4, 35630), (5, 28504), (7, 20360), (8, 17815), (10, 14252), (14, 10180), (20, 7126), (28, 5090), (35, 4072), (40, 3563), (56, 2545), (70, 2036), (140, 1018), (280, 509)]