397702970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{5681471}}^1$

素因数の和:5681485

約数の個数: 16

約数和(自身を含む): 818131968

約数和(自身を除く): 420428998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 5681471, 11362942, 28407355, 39770297, 56814710, 79540594, 198851485, 397702970]

約数ペア:

[(1, 397702970), (2, 198851485), (5, 79540594), (7, 56814710), (10, 39770297), (14, 28407355), (35, 11362942), (70, 5681471)]