210819970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1597}}^1$

素因数の和:1954

約数の個数: 32

約数和(自身を含む): 389809728

約数和(自身を除く): 178989758

約数列:

[1, 2, 5, 10, 43, 86, 215, 307, 430, 614, 1535, 1597, 3070, 3194, 7985, 13201, 15970, 26402, 66005, 68671, 132010, 137342, 343355, 490279, 686710, 980558, 2451395, 4902790, 21081997, 42163994, 105409985, 210819970]

約数ペア:

[(1, 210819970), (2, 105409985), (5, 42163994), (10, 21081997), (43, 4902790), (86, 2451395), (215, 980558), (307, 686710), (430, 490279), (614, 343355), (1535, 137342), (1597, 132010), (3070, 68671), (3194, 66005), (7985, 26402), (13201, 15970)]