19187750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 38817792

約数和(自身を除く): 19630042

約数列:

[1, 2, 5, 10, 23, 25, 46, 47, 50, 71, 94, 115, 125, 142, 230, 235, 250, 355, 470, 575, 710, 1081, 1150, 1175, 1633, 1775, 2162, 2350, 2875, 3266, 3337, 3550, 5405, 5750, 5875, 6674, 8165, 8875, 10810, 11750, 16330, 16685, 17750, 27025, 33370, 40825, 54050, 76751, 81650, 83425, 135125, 153502, 166850, 204125, 270250, 383755, 408250, 417125, 767510, 834250, 1918775, 3837550, 9593875, 19187750]

約数ペア:

[(1, 19187750), (2, 9593875), (5, 3837550), (10, 1918775), (23, 834250), (25, 767510), (46, 417125), (47, 408250), (50, 383755), (71, 270250), (94, 204125), (115, 166850), (125, 153502), (142, 135125), (230, 83425), (235, 81650), (250, 76751), (355, 54050), (470, 40825), (575, 33370), (710, 27025), (1081, 17750), (1150, 16685), (1175, 16330), (1633, 11750), (1775, 10810), (2162, 8875), (2350, 8165), (2875, 6674), (3266, 5875), (3337, 5750), (3550, 5405)]