38902780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1033}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 93804480

約数和(自身を除く): 54901700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1033, 1076, 1345, 1883, 2066, 2690, 3766, 4132, 5165, 5380, 7231, 7532, 9415, 10330, 14462, 18830, 20660, 28924, 36155, 37660, 72310, 144620, 277877, 555754, 1111508, 1389385, 1945139, 2778770, 3890278, 5557540, 7780556, 9725695, 19451390, 38902780]

約数ペア:

[(1, 38902780), (2, 19451390), (4, 9725695), (5, 7780556), (7, 5557540), (10, 3890278), (14, 2778770), (20, 1945139), (28, 1389385), (35, 1111508), (70, 555754), (140, 277877), (269, 144620), (538, 72310), (1033, 37660), (1076, 36155), (1345, 28924), (1883, 20660), (2066, 18830), (2690, 14462), (3766, 10330), (4132, 9415), (5165, 7532), (5380, 7231)]