157645000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 378863100

約数和(自身を除く): 221218100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 625, 769, 820, 1000, 1025, 1250, 1538, 1640, 2050, 2500, 3076, 3845, 4100, 5000, 5125, 6152, 7690, 8200, 10250, 15380, 19225, 20500, 25625, 30760, 31529, 38450, 41000, 51250, 63058, 76900, 96125, 102500, 126116, 153800, 157645, 192250, 205000, 252232, 315290, 384500, 480625, 630580, 769000, 788225, 961250, 1261160, 1576450, 1922500, 3152900, 3845000, 3941125, 6305800, 7882250, 15764500, 19705625, 31529000, 39411250, 78822500, 157645000]

約数ペア:

[(1, 157645000), (2, 78822500), (4, 39411250), (5, 31529000), (8, 19705625), (10, 15764500), (20, 7882250), (25, 6305800), (40, 3941125), (41, 3845000), (50, 3152900), (82, 1922500), (100, 1576450), (125, 1261160), (164, 961250), (200, 788225), (205, 769000), (250, 630580), (328, 480625), (410, 384500), (500, 315290), (625, 252232), (769, 205000), (820, 192250), (1000, 157645), (1025, 153800), (1250, 126116), (1538, 102500), (1640, 96125), (2050, 76900), (2500, 63058), (3076, 51250), (3845, 41000), (4100, 38450), (5000, 31529), (5125, 30760), (6152, 25625), (7690, 20500), (8200, 19225), (10250, 15380)]