211319080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{754711}}^1$

素因数の和:754729

約数の個数: 32

約数和(自身を含む): 543392640

約数和(自身を除く): 332073560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 754711, 1509422, 3018844, 3773555, 5282977, 6037688, 7547110, 10565954, 15094220, 21131908, 26414885, 30188440, 42263816, 52829770, 105659540, 211319080]

約数ペア:

[(1, 211319080), (2, 105659540), (4, 52829770), (5, 42263816), (7, 30188440), (8, 26414885), (10, 21131908), (14, 15094220), (20, 10565954), (28, 7547110), (35, 6037688), (40, 5282977), (56, 3773555), (70, 3018844), (140, 1509422), (280, 754711)]