185142440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 493516800

約数和(自身を除く): 308374360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 71, 134, 139, 140, 142, 268, 278, 280, 284, 335, 355, 469, 497, 536, 556, 568, 670, 695, 710, 938, 973, 994, 1112, 1340, 1390, 1420, 1876, 1946, 1988, 2345, 2485, 2680, 2780, 2840, 3752, 3892, 3976, 4690, 4757, 4865, 4970, 5560, 7784, 9313, 9380, 9514, 9730, 9869, 9940, 18626, 18760, 19028, 19460, 19738, 19880, 23785, 33299, 37252, 38056, 38920, 39476, 46565, 47570, 49345, 65191, 66598, 69083, 74504, 78952, 93130, 95140, 98690, 130382, 133196, 138166, 166495, 186260, 190280, 197380, 260764, 266392, 276332, 325955, 332990, 345415, 372520, 394760, 521528, 552664, 651910, 661223, 665980, 690830, 1303820, 1322446, 1331960, 1381660, 2607640, 2644892, 2763320, 3306115, 4628561, 5289784, 6612230, 9257122, 13224460, 18514244, 23142805, 26448920, 37028488, 46285610, 92571220, 185142440]

約数ペア:

[(1, 185142440), (2, 92571220), (4, 46285610), (5, 37028488), (7, 26448920), (8, 23142805), (10, 18514244), (14, 13224460), (20, 9257122), (28, 6612230), (35, 5289784), (40, 4628561), (56, 3306115), (67, 2763320), (70, 2644892), (71, 2607640), (134, 1381660), (139, 1331960), (140, 1322446), (142, 1303820), (268, 690830), (278, 665980), (280, 661223), (284, 651910), (335, 552664), (355, 521528), (469, 394760), (497, 372520), (536, 345415), (556, 332990), (568, 325955), (670, 276332), (695, 266392), (710, 260764), (938, 197380), (973, 190280), (994, 186260), (1112, 166495), (1340, 138166), (1390, 133196), (1420, 130382), (1876, 98690), (1946, 95140), (1988, 93130), (2345, 78952), (2485, 74504), (2680, 69083), (2780, 66598), (2840, 65191), (3752, 49345), (3892, 47570), (3976, 46565), (4690, 39476), (4757, 38920), (4865, 38056), (4970, 37252), (5560, 33299), (7784, 23785), (9313, 19880), (9380, 19738), (9514, 19460), (9730, 19028), (9869, 18760), (9940, 18626)]