247142000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 160

約数和(自身を含む): 693288960

約数和(自身を除く): 446146960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 127, 139, 140, 175, 200, 250, 254, 278, 280, 350, 400, 500, 508, 556, 560, 635, 695, 700, 875, 889, 973, 1000, 1016, 1112, 1270, 1390, 1400, 1750, 1778, 1946, 2000, 2032, 2224, 2540, 2780, 2800, 3175, 3475, 3500, 3556, 3892, 4445, 4865, 5080, 5560, 6350, 6950, 7000, 7112, 7784, 8890, 9730, 10160, 11120, 12700, 13900, 14000, 14224, 15568, 15875, 17375, 17653, 17780, 19460, 22225, 24325, 25400, 27800, 31750, 34750, 35306, 35560, 38920, 44450, 48650, 50800, 55600, 63500, 69500, 70612, 71120, 77840, 88265, 88900, 97300, 111125, 121625, 123571, 127000, 139000, 141224, 176530, 177800, 194600, 222250, 243250, 247142, 254000, 278000, 282448, 353060, 355600, 389200, 441325, 444500, 486500, 494284, 617855, 706120, 882650, 889000, 973000, 988568, 1235710, 1412240, 1765300, 1778000, 1946000, 1977136, 2206625, 2471420, 3089275, 3530600, 4413250, 4942840, 6178550, 7061200, 8826500, 9885680, 12357100, 15446375, 17653000, 24714200, 30892750, 35306000, 49428400, 61785500, 123571000, 247142000]

約数ペア:

[(1, 247142000), (2, 123571000), (4, 61785500), (5, 49428400), (7, 35306000), (8, 30892750), (10, 24714200), (14, 17653000), (16, 15446375), (20, 12357100), (25, 9885680), (28, 8826500), (35, 7061200), (40, 6178550), (50, 4942840), (56, 4413250), (70, 3530600), (80, 3089275), (100, 2471420), (112, 2206625), (125, 1977136), (127, 1946000), (139, 1778000), (140, 1765300), (175, 1412240), (200, 1235710), (250, 988568), (254, 973000), (278, 889000), (280, 882650), (350, 706120), (400, 617855), (500, 494284), (508, 486500), (556, 444500), (560, 441325), (635, 389200), (695, 355600), (700, 353060), (875, 282448), (889, 278000), (973, 254000), (1000, 247142), (1016, 243250), (1112, 222250), (1270, 194600), (1390, 177800), (1400, 176530), (1750, 141224), (1778, 139000), (1946, 127000), (2000, 123571), (2032, 121625), (2224, 111125), (2540, 97300), (2780, 88900), (2800, 88265), (3175, 77840), (3475, 71120), (3500, 70612), (3556, 69500), (3892, 63500), (4445, 55600), (4865, 50800), (5080, 48650), (5560, 44450), (6350, 38920), (6950, 35560), (7000, 35306), (7112, 34750), (7784, 31750), (8890, 27800), (9730, 25400), (10160, 24325), (11120, 22225), (12700, 19460), (13900, 17780), (14000, 17653), (14224, 17375), (15568, 15875)]