205147320

素因数分解:

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

素因数の和:418

約数の個数: 192

約数和(自身を含む): 723945600

約数和(自身を除く): 518798280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 139, 140, 147, 168, 196, 210, 245, 251, 278, 280, 294, 392, 417, 420, 490, 502, 556, 588, 695, 735, 753, 834, 840, 973, 980, 1004, 1112, 1176, 1255, 1390, 1470, 1506, 1668, 1757, 1946, 1960, 2008, 2085, 2510, 2780, 2919, 2940, 3012, 3336, 3514, 3765, 3892, 4170, 4865, 5020, 5271, 5560, 5838, 5880, 6024, 6811, 7028, 7530, 7784, 8340, 8785, 9730, 10040, 10542, 11676, 12299, 13622, 14056, 14595, 15060, 16680, 17570, 19460, 20433, 21084, 23352, 24598, 26355, 27244, 29190, 30120, 34055, 34889, 35140, 36897, 38920, 40866, 42168, 49196, 52710, 54488, 58380, 61495, 68110, 69778, 70280, 73794, 81732, 98392, 102165, 104667, 105420, 116760, 122990, 136220, 139556, 147588, 163464, 174445, 184485, 204330, 209334, 210840, 244223, 245980, 272440, 279112, 295176, 348890, 368970, 408660, 418668, 488446, 491960, 523335, 697780, 732669, 737940, 817320, 837336, 976892, 1046670, 1221115, 1395560, 1465338, 1475880, 1709561, 1953784, 2093340, 2442230, 2930676, 3419122, 3663345, 4186680, 4884460, 5128683, 5861352, 6838244, 7326690, 8547805, 9768920, 10257366, 13676488, 14653380, 17095610, 20514732, 25643415, 29306760, 34191220, 41029464, 51286830, 68382440, 102573660, 205147320]

約数ペア:

[(1, 205147320), (2, 102573660), (3, 68382440), (4, 51286830), (5, 41029464), (6, 34191220), (7, 29306760), (8, 25643415), (10, 20514732), (12, 17095610), (14, 14653380), (15, 13676488), (20, 10257366), (21, 9768920), (24, 8547805), (28, 7326690), (30, 6838244), (35, 5861352), (40, 5128683), (42, 4884460), (49, 4186680), (56, 3663345), (60, 3419122), (70, 2930676), (84, 2442230), (98, 2093340), (105, 1953784), (120, 1709561), (139, 1475880), (140, 1465338), (147, 1395560), (168, 1221115), (196, 1046670), (210, 976892), (245, 837336), (251, 817320), (278, 737940), (280, 732669), (294, 697780), (392, 523335), (417, 491960), (420, 488446), (490, 418668), (502, 408660), (556, 368970), (588, 348890), (695, 295176), (735, 279112), (753, 272440), (834, 245980), (840, 244223), (973, 210840), (980, 209334), (1004, 204330), (1112, 184485), (1176, 174445), (1255, 163464), (1390, 147588), (1470, 139556), (1506, 136220), (1668, 122990), (1757, 116760), (1946, 105420), (1960, 104667), (2008, 102165), (2085, 98392), (2510, 81732), (2780, 73794), (2919, 70280), (2940, 69778), (3012, 68110), (3336, 61495), (3514, 58380), (3765, 54488), (3892, 52710), (4170, 49196), (4865, 42168), (5020, 40866), (5271, 38920), (5560, 36897), (5838, 35140), (5880, 34889), (6024, 34055), (6811, 30120), (7028, 29190), (7530, 27244), (7784, 26355), (8340, 24598), (8785, 23352), (9730, 21084), (10040, 20433), (10542, 19460), (11676, 17570), (12299, 16680), (13622, 15060), (14056, 14595)]