61519780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439427}}^1$

素因数の和:439443

約数の個数: 24

約数和(自身を含む): 147647808

約数和(自身を除く): 86128028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439427, 878854, 1757708, 2197135, 3075989, 4394270, 6151978, 8788540, 12303956, 15379945, 30759890, 61519780]

約数ペア:

[(1, 61519780), (2, 30759890), (4, 15379945), (5, 12303956), (7, 8788540), (10, 6151978), (14, 4394270), (20, 3075989), (28, 2197135), (35, 1757708), (70, 878854), (140, 439427)]