2013824725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1997}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 2883833280

約数和(自身を除く): 870008555

約数列:

[1, 5, 11, 19, 25, 55, 95, 193, 209, 275, 475, 965, 1045, 1997, 2123, 3667, 4825, 5225, 9985, 10615, 18335, 21967, 37943, 40337, 49925, 53075, 91675, 109835, 189715, 201685, 385421, 417373, 549175, 948575, 1008425, 1927105, 2086865, 4239631, 7322999, 9635525, 10434325, 21198155, 36614995, 80552989, 105990775, 183074975, 402764945, 2013824725]

約数ペア:

[(1, 2013824725), (5, 402764945), (11, 183074975), (19, 105990775), (25, 80552989), (55, 36614995), (95, 21198155), (193, 10434325), (209, 9635525), (275, 7322999), (475, 4239631), (965, 2086865), (1045, 1927105), (1997, 1008425), (2123, 948575), (3667, 549175), (4825, 417373), (5225, 385421), (9985, 201685), (10615, 189715), (18335, 109835), (21967, 91675), (37943, 53075), (40337, 49925)]