210955660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257263}}^1$

素因数の和:257313

約数の個数: 24

約数和(自身を含む): 453813696

約数和(自身を除く): 242858036

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 257263, 514526, 1029052, 1286315, 2572630, 5145260, 10547783, 21095566, 42191132, 52738915, 105477830, 210955660]

約数ペア:

[(1, 210955660), (2, 105477830), (4, 52738915), (5, 42191132), (10, 21095566), (20, 10547783), (41, 5145260), (82, 2572630), (164, 1286315), (205, 1029052), (410, 514526), (820, 257263)]