31136000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 89281920

約数和(自身を除く): 58145920

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, 128, 139, 140, 160, 175, 200, 224, 250, 256, 278, 280, 320, 350, 400, 448, 500, 556, 560, 640, 695, 700, 800, 875, 896, 973, 1000, 1112, 1120, 1280, 1390, 1400, 1600, 1750, 1792, 1946, 2000, 2224, 2240, 2780, 2800, 3200, 3475, 3500, 3892, 4000, 4448, 4480, 4865, 5560, 5600, 6400, 6950, 7000, 7784, 8000, 8896, 8960, 9730, 11120, 11200, 13900, 14000, 15568, 16000, 17375, 17792, 19460, 22240, 22400, 24325, 27800, 28000, 31136, 32000, 34750, 35584, 38920, 44480, 44800, 48650, 55600, 56000, 62272, 69500, 77840, 88960, 97300, 111200, 112000, 121625, 124544, 139000, 155680, 177920, 194600, 222400, 224000, 243250, 249088, 278000, 311360, 389200, 444800, 486500, 556000, 622720, 778400, 889600, 973000, 1112000, 1245440, 1556800, 1946000, 2224000, 3113600, 3892000, 4448000, 6227200, 7784000, 15568000, 31136000]

約数ペア:

[(1, 31136000), (2, 15568000), (4, 7784000), (5, 6227200), (7, 4448000), (8, 3892000), (10, 3113600), (14, 2224000), (16, 1946000), (20, 1556800), (25, 1245440), (28, 1112000), (32, 973000), (35, 889600), (40, 778400), (50, 622720), (56, 556000), (64, 486500), (70, 444800), (80, 389200), (100, 311360), (112, 278000), (125, 249088), (128, 243250), (139, 224000), (140, 222400), (160, 194600), (175, 177920), (200, 155680), (224, 139000), (250, 124544), (256, 121625), (278, 112000), (280, 111200), (320, 97300), (350, 88960), (400, 77840), (448, 69500), (500, 62272), (556, 56000), (560, 55600), (640, 48650), (695, 44800), (700, 44480), (800, 38920), (875, 35584), (896, 34750), (973, 32000), (1000, 31136), (1112, 28000), (1120, 27800), (1280, 24325), (1390, 22400), (1400, 22240), (1600, 19460), (1750, 17792), (1792, 17375), (1946, 16000), (2000, 15568), (2224, 14000), (2240, 13900), (2780, 11200), (2800, 11120), (3200, 9730), (3475, 8960), (3500, 8896), (3892, 8000), (4000, 7784), (4448, 7000), (4480, 6950), (4865, 6400), (5560, 5600)]