71515780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510827}}^1$

素因数の和:510843

約数の個数: 24

約数和(自身を含む): 171638208

約数和(自身を除く): 100122428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510827, 1021654, 2043308, 2554135, 3575789, 5108270, 7151578, 10216540, 14303156, 17878945, 35757890, 71515780]

約数ペア:

[(1, 71515780), (2, 35757890), (4, 17878945), (5, 14303156), (7, 10216540), (10, 7151578), (14, 5108270), (20, 3575789), (28, 2554135), (35, 2043308), (70, 1021654), (140, 510827)]