211837540

素因数分解:

$2^2\times 5^1\times {\mathrm{2711}}^1\times {\mathrm{3907}}^1$

素因数の和:6627

約数の個数: 24

約数和(自身を含む): 445136832

約数和(自身を除く): 233299292

約数列:

[1, 2, 4, 5, 10, 20, 2711, 3907, 5422, 7814, 10844, 13555, 15628, 19535, 27110, 39070, 54220, 78140, 10591877, 21183754, 42367508, 52959385, 105918770, 211837540]

約数ペア:

[(1, 211837540), (2, 105918770), (4, 52959385), (5, 42367508), (10, 21183754), (20, 10591877), (2711, 78140), (3907, 54220), (5422, 39070), (7814, 27110), (10844, 19535), (13555, 15628)]