1377029380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{2371}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 2940900480

約数和(自身を除く): 1563871100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 409, 710, 818, 1420, 1636, 2045, 2371, 4090, 4742, 8180, 9484, 11855, 23710, 29039, 47420, 58078, 116156, 145195, 168341, 290390, 336682, 580780, 673364, 841705, 969739, 1683410, 1939478, 3366820, 3878956, 4848695, 9697390, 19394780, 68851469, 137702938, 275405876, 344257345, 688514690, 1377029380]

約数ペア:

[(1, 1377029380), (2, 688514690), (4, 344257345), (5, 275405876), (10, 137702938), (20, 68851469), (71, 19394780), (142, 9697390), (284, 4848695), (355, 3878956), (409, 3366820), (710, 1939478), (818, 1683410), (1420, 969739), (1636, 841705), (2045, 673364), (2371, 580780), (4090, 336682), (4742, 290390), (8180, 168341), (9484, 145195), (11855, 116156), (23710, 58078), (29039, 47420)]