68382440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 180986400

約数和(自身を除く): 112603960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 139, 140, 196, 245, 251, 278, 280, 392, 490, 502, 556, 695, 973, 980, 1004, 1112, 1255, 1390, 1757, 1946, 1960, 2008, 2510, 2780, 3514, 3892, 4865, 5020, 5560, 6811, 7028, 7784, 8785, 9730, 10040, 12299, 13622, 14056, 17570, 19460, 24598, 27244, 34055, 34889, 35140, 38920, 49196, 54488, 61495, 68110, 69778, 70280, 98392, 122990, 136220, 139556, 174445, 244223, 245980, 272440, 279112, 348890, 488446, 491960, 697780, 976892, 1221115, 1395560, 1709561, 1953784, 2442230, 3419122, 4884460, 6838244, 8547805, 9768920, 13676488, 17095610, 34191220, 68382440]

約数ペア:

[(1, 68382440), (2, 34191220), (4, 17095610), (5, 13676488), (7, 9768920), (8, 8547805), (10, 6838244), (14, 4884460), (20, 3419122), (28, 2442230), (35, 1953784), (40, 1709561), (49, 1395560), (56, 1221115), (70, 976892), (98, 697780), (139, 491960), (140, 488446), (196, 348890), (245, 279112), (251, 272440), (278, 245980), (280, 244223), (392, 174445), (490, 139556), (502, 136220), (556, 122990), (695, 98392), (973, 70280), (980, 69778), (1004, 68110), (1112, 61495), (1255, 54488), (1390, 49196), (1757, 38920), (1946, 35140), (1960, 34889), (2008, 34055), (2510, 27244), (2780, 24598), (3514, 19460), (3892, 17570), (4865, 14056), (5020, 13622), (5560, 12299), (6811, 10040), (7028, 9730), (7784, 8785)]