268389940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 736985088

約数和(自身を除く): 468595148

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 67, 70, 71, 91, 124, 130, 134, 140, 142, 155, 182, 217, 260, 268, 284, 310, 335, 355, 364, 403, 434, 455, 469, 497, 620, 670, 710, 806, 868, 871, 910, 923, 938, 994, 1085, 1340, 1420, 1612, 1742, 1820, 1846, 1876, 1988, 2015, 2077, 2170, 2201, 2345, 2485, 2821, 3484, 3692, 4030, 4154, 4340, 4355, 4402, 4615, 4690, 4757, 4970, 5642, 6097, 6461, 8060, 8308, 8710, 8804, 9230, 9380, 9514, 9940, 10385, 11005, 11284, 12194, 12922, 14105, 14539, 15407, 17420, 18460, 19028, 20770, 22010, 23785, 24388, 25844, 27001, 28210, 28613, 29078, 30485, 30814, 32305, 33299, 41540, 44020, 47570, 54002, 56420, 57226, 58156, 60970, 61628, 61841, 64610, 66598, 72695, 77035, 95140, 108004, 114452, 121940, 123682, 129220, 133196, 135005, 143065, 145390, 147467, 154070, 166495, 189007, 200291, 247364, 270010, 286130, 290780, 294934, 308140, 309205, 332990, 378014, 400582, 432887, 540020, 572260, 589868, 618410, 665980, 737335, 756028, 801164, 865774, 945035, 1001455, 1032269, 1236820, 1474670, 1731548, 1890070, 1917071, 2002910, 2064538, 2164435, 2949340, 3780140, 3834142, 4005820, 4129076, 4328870, 5161345, 7668284, 8657740, 9585355, 10322690, 13419497, 19170710, 20645380, 26838994, 38341420, 53677988, 67097485, 134194970, 268389940]

約数ペア:

[(1, 268389940), (2, 134194970), (4, 67097485), (5, 53677988), (7, 38341420), (10, 26838994), (13, 20645380), (14, 19170710), (20, 13419497), (26, 10322690), (28, 9585355), (31, 8657740), (35, 7668284), (52, 5161345), (62, 4328870), (65, 4129076), (67, 4005820), (70, 3834142), (71, 3780140), (91, 2949340), (124, 2164435), (130, 2064538), (134, 2002910), (140, 1917071), (142, 1890070), (155, 1731548), (182, 1474670), (217, 1236820), (260, 1032269), (268, 1001455), (284, 945035), (310, 865774), (335, 801164), (355, 756028), (364, 737335), (403, 665980), (434, 618410), (455, 589868), (469, 572260), (497, 540020), (620, 432887), (670, 400582), (710, 378014), (806, 332990), (868, 309205), (871, 308140), (910, 294934), (923, 290780), (938, 286130), (994, 270010), (1085, 247364), (1340, 200291), (1420, 189007), (1612, 166495), (1742, 154070), (1820, 147467), (1846, 145390), (1876, 143065), (1988, 135005), (2015, 133196), (2077, 129220), (2170, 123682), (2201, 121940), (2345, 114452), (2485, 108004), (2821, 95140), (3484, 77035), (3692, 72695), (4030, 66598), (4154, 64610), (4340, 61841), (4355, 61628), (4402, 60970), (4615, 58156), (4690, 57226), (4757, 56420), (4970, 54002), (5642, 47570), (6097, 44020), (6461, 41540), (8060, 33299), (8308, 32305), (8710, 30814), (8804, 30485), (9230, 29078), (9380, 28613), (9514, 28210), (9940, 27001), (10385, 25844), (11005, 24388), (11284, 23785), (12194, 22010), (12922, 20770), (14105, 19028), (14539, 18460), (15407, 17420)]