28055650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 60531840

約数和(自身を除く): 32476190

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 710, 994, 1129, 1775, 2258, 2485, 3550, 4970, 5645, 7903, 11290, 12425, 15806, 24850, 28225, 39515, 56450, 79030, 80159, 160318, 197575, 395150, 400795, 561113, 801590, 1122226, 2003975, 2805565, 4007950, 5611130, 14027825, 28055650]

約数ペア:

[(1, 28055650), (2, 14027825), (5, 5611130), (7, 4007950), (10, 2805565), (14, 2003975), (25, 1122226), (35, 801590), (50, 561113), (70, 400795), (71, 395150), (142, 197575), (175, 160318), (350, 80159), (355, 79030), (497, 56450), (710, 39515), (994, 28225), (1129, 24850), (1775, 15806), (2258, 12425), (2485, 11290), (3550, 7903), (4970, 5645)]