315916690

素因数分解:

$2^1\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{19489}}^1$

素因数の和:21117

約数の個数: 16

約数和(自身を含む): 569030040

約数和(自身を除く): 253113350

約数列:

[1, 2, 5, 10, 1621, 3242, 8105, 16210, 19489, 38978, 97445, 194890, 31591669, 63183338, 157958345, 315916690]

約数ペア:

[(1, 315916690), (2, 157958345), (5, 63183338), (10, 31591669), (1621, 194890), (3242, 97445), (8105, 38978), (16210, 19489)]