210202340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{172297}}^1$

素因数の和:172367

約数の個数: 24

約数和(自身を含む): 448663992

約数和(自身を除く): 238461652

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 172297, 344594, 689188, 861485, 1722970, 3445940, 10510117, 21020234, 42040468, 52550585, 105101170, 210202340]

約数ペア:

[(1, 210202340), (2, 105101170), (4, 52550585), (5, 42040468), (10, 21020234), (20, 10510117), (61, 3445940), (122, 1722970), (244, 861485), (305, 689188), (610, 344594), (1220, 172297)]