78847750

素因数分解:

$2^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{2269}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 148730400

約数和(自身を除く): 69882650

約数列:

[1, 2, 5, 10, 25, 50, 125, 139, 250, 278, 695, 1390, 2269, 3475, 4538, 6950, 11345, 17375, 22690, 34750, 56725, 113450, 283625, 315391, 567250, 630782, 1576955, 3153910, 7884775, 15769550, 39423875, 78847750]

約数ペア:

[(1, 78847750), (2, 39423875), (5, 15769550), (10, 7884775), (25, 3153910), (50, 1576955), (125, 630782), (139, 567250), (250, 315391), (278, 283625), (695, 113450), (1390, 56725), (2269, 34750), (3475, 22690), (4538, 17375), (6950, 11345)]