215320000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{769}}^1$

素因数の和:808

約数の個数: 140

約数和(自身を含む): 610991920

約数和(自身を除く): 395671920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 625, 700, 769, 800, 875, 1000, 1120, 1250, 1400, 1538, 1600, 1750, 2000, 2240, 2500, 2800, 3076, 3500, 3845, 4000, 4375, 5000, 5383, 5600, 6152, 7000, 7690, 8000, 8750, 10000, 10766, 11200, 12304, 14000, 15380, 17500, 19225, 20000, 21532, 24608, 26915, 28000, 30760, 35000, 38450, 40000, 43064, 49216, 53830, 56000, 61520, 70000, 76900, 86128, 96125, 107660, 123040, 134575, 140000, 153800, 172256, 192250, 215320, 246080, 269150, 280000, 307600, 344512, 384500, 430640, 480625, 538300, 615200, 672875, 769000, 861280, 961250, 1076600, 1230400, 1345750, 1538000, 1722560, 1922500, 2153200, 2691500, 3076000, 3364375, 3845000, 4306400, 5383000, 6152000, 6728750, 7690000, 8612800, 10766000, 13457500, 15380000, 21532000, 26915000, 30760000, 43064000, 53830000, 107660000, 215320000]

約数ペア:

[(1, 215320000), (2, 107660000), (4, 53830000), (5, 43064000), (7, 30760000), (8, 26915000), (10, 21532000), (14, 15380000), (16, 13457500), (20, 10766000), (25, 8612800), (28, 7690000), (32, 6728750), (35, 6152000), (40, 5383000), (50, 4306400), (56, 3845000), (64, 3364375), (70, 3076000), (80, 2691500), (100, 2153200), (112, 1922500), (125, 1722560), (140, 1538000), (160, 1345750), (175, 1230400), (200, 1076600), (224, 961250), (250, 861280), (280, 769000), (320, 672875), (350, 615200), (400, 538300), (448, 480625), (500, 430640), (560, 384500), (625, 344512), (700, 307600), (769, 280000), (800, 269150), (875, 246080), (1000, 215320), (1120, 192250), (1250, 172256), (1400, 153800), (1538, 140000), (1600, 134575), (1750, 123040), (2000, 107660), (2240, 96125), (2500, 86128), (2800, 76900), (3076, 70000), (3500, 61520), (3845, 56000), (4000, 53830), (4375, 49216), (5000, 43064), (5383, 40000), (5600, 38450), (6152, 35000), (7000, 30760), (7690, 28000), (8000, 26915), (8750, 24608), (10000, 21532), (10766, 20000), (11200, 19225), (12304, 17500), (14000, 15380)]