320031932

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 638144640

約数和(自身を除く): 318112708

約数列:

[1, 2, 4, 11, 22, 44, 67, 71, 121, 134, 139, 142, 242, 268, 278, 284, 484, 556, 737, 781, 1474, 1529, 1562, 2948, 3058, 3124, 4757, 6116, 8107, 8591, 9313, 9514, 9869, 16214, 16819, 17182, 18626, 19028, 19738, 32428, 33638, 34364, 37252, 39476, 52327, 67276, 102443, 104654, 108559, 204886, 209308, 217118, 409772, 434236, 575597, 661223, 1126873, 1151194, 1194149, 1322446, 2253746, 2302388, 2388298, 2644892, 4507492, 4776596, 7273453, 14546906, 29093812, 80007983, 160015966, 320031932]

約数ペア:

[(1, 320031932), (2, 160015966), (4, 80007983), (11, 29093812), (22, 14546906), (44, 7273453), (67, 4776596), (71, 4507492), (121, 2644892), (134, 2388298), (139, 2302388), (142, 2253746), (242, 1322446), (268, 1194149), (278, 1151194), (284, 1126873), (484, 661223), (556, 575597), (737, 434236), (781, 409772), (1474, 217118), (1529, 209308), (1562, 204886), (2948, 108559), (3058, 104654), (3124, 102443), (4757, 67276), (6116, 52327), (8107, 39476), (8591, 37252), (9313, 34364), (9514, 33638), (9869, 32428), (16214, 19738), (16819, 19028), (17182, 18626)]