210970820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1471}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 454035456

約数和(自身を除く): 243064636

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 505, 710, 1010, 1420, 1471, 2020, 2942, 5884, 7171, 7355, 14342, 14710, 28684, 29420, 35855, 71710, 104441, 143420, 148571, 208882, 297142, 417764, 522205, 594284, 742855, 1044410, 1485710, 2088820, 2971420, 10548541, 21097082, 42194164, 52742705, 105485410, 210970820]

約数ペア:

[(1, 210970820), (2, 105485410), (4, 52742705), (5, 42194164), (10, 21097082), (20, 10548541), (71, 2971420), (101, 2088820), (142, 1485710), (202, 1044410), (284, 742855), (355, 594284), (404, 522205), (505, 417764), (710, 297142), (1010, 208882), (1420, 148571), (1471, 143420), (2020, 104441), (2942, 71710), (5884, 35855), (7171, 29420), (7355, 28684), (14342, 14710)]