145440400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 403466240

約数和(自身を除く): 258025840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 127, 140, 175, 200, 254, 280, 350, 400, 409, 508, 560, 635, 700, 818, 889, 1016, 1270, 1400, 1636, 1778, 2032, 2045, 2540, 2800, 2863, 3175, 3272, 3556, 4090, 4445, 5080, 5726, 6350, 6544, 7112, 8180, 8890, 10160, 10225, 11452, 12700, 14224, 14315, 16360, 17780, 20450, 22225, 22904, 25400, 28630, 32720, 35560, 40900, 44450, 45808, 50800, 51943, 57260, 71120, 71575, 81800, 88900, 103886, 114520, 143150, 163600, 177800, 207772, 229040, 259715, 286300, 355600, 363601, 415544, 519430, 572600, 727202, 831088, 1038860, 1145200, 1298575, 1454404, 1818005, 2077720, 2597150, 2908808, 3636010, 4155440, 5194300, 5817616, 7272020, 9090025, 10388600, 14544040, 18180050, 20777200, 29088080, 36360100, 72720200, 145440400]

約数ペア:

[(1, 145440400), (2, 72720200), (4, 36360100), (5, 29088080), (7, 20777200), (8, 18180050), (10, 14544040), (14, 10388600), (16, 9090025), (20, 7272020), (25, 5817616), (28, 5194300), (35, 4155440), (40, 3636010), (50, 2908808), (56, 2597150), (70, 2077720), (80, 1818005), (100, 1454404), (112, 1298575), (127, 1145200), (140, 1038860), (175, 831088), (200, 727202), (254, 572600), (280, 519430), (350, 415544), (400, 363601), (409, 355600), (508, 286300), (560, 259715), (635, 229040), (700, 207772), (818, 177800), (889, 163600), (1016, 143150), (1270, 114520), (1400, 103886), (1636, 88900), (1778, 81800), (2032, 71575), (2045, 71120), (2540, 57260), (2800, 51943), (2863, 50800), (3175, 45808), (3272, 44450), (3556, 40900), (4090, 35560), (4445, 32720), (5080, 28630), (5726, 25400), (6350, 22904), (6544, 22225), (7112, 20450), (8180, 17780), (8890, 16360), (10160, 14315), (10225, 14224), (11452, 12700)]