49141820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 133797888

約数和(自身を除く): 84656068

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 67, 70, 91, 124, 130, 134, 140, 155, 169, 182, 217, 260, 268, 310, 335, 338, 364, 403, 434, 455, 469, 620, 670, 676, 806, 845, 868, 871, 910, 938, 1085, 1183, 1340, 1612, 1690, 1742, 1820, 1876, 2015, 2077, 2170, 2345, 2366, 2821, 3380, 3484, 4030, 4154, 4340, 4355, 4690, 4732, 5239, 5642, 5915, 6097, 8060, 8308, 8710, 9380, 10385, 10478, 11284, 11323, 11830, 12194, 14105, 14539, 17420, 20770, 20956, 22646, 23660, 24388, 26195, 27001, 28210, 29078, 30485, 36673, 41540, 45292, 52390, 54002, 56420, 56615, 58156, 60970, 72695, 73346, 79261, 104780, 108004, 113230, 121940, 135005, 145390, 146692, 158522, 183365, 189007, 226460, 270010, 290780, 317044, 351013, 366730, 378014, 396305, 540020, 702026, 733460, 756028, 792610, 945035, 1404052, 1585220, 1755065, 1890070, 2457091, 3510130, 3780140, 4914182, 7020260, 9828364, 12285455, 24570910, 49141820]

約数ペア:

[(1, 49141820), (2, 24570910), (4, 12285455), (5, 9828364), (7, 7020260), (10, 4914182), (13, 3780140), (14, 3510130), (20, 2457091), (26, 1890070), (28, 1755065), (31, 1585220), (35, 1404052), (52, 945035), (62, 792610), (65, 756028), (67, 733460), (70, 702026), (91, 540020), (124, 396305), (130, 378014), (134, 366730), (140, 351013), (155, 317044), (169, 290780), (182, 270010), (217, 226460), (260, 189007), (268, 183365), (310, 158522), (335, 146692), (338, 145390), (364, 135005), (403, 121940), (434, 113230), (455, 108004), (469, 104780), (620, 79261), (670, 73346), (676, 72695), (806, 60970), (845, 58156), (868, 56615), (871, 56420), (910, 54002), (938, 52390), (1085, 45292), (1183, 41540), (1340, 36673), (1612, 30485), (1690, 29078), (1742, 28210), (1820, 27001), (1876, 26195), (2015, 24388), (2077, 23660), (2170, 22646), (2345, 20956), (2366, 20770), (2821, 17420), (3380, 14539), (3484, 14105), (4030, 12194), (4154, 11830), (4340, 11323), (4355, 11284), (4690, 10478), (4732, 10385), (5239, 9380), (5642, 8710), (5915, 8308), (6097, 8060)]