255490144

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 660750048

約数和(自身を除く): 405259904

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 136, 169, 182, 208, 221, 224, 238, 272, 338, 364, 397, 416, 442, 476, 544, 676, 728, 794, 884, 952, 1183, 1352, 1456, 1547, 1588, 1768, 1904, 2366, 2704, 2779, 2873, 2912, 3094, 3176, 3536, 3808, 4732, 5161, 5408, 5558, 5746, 6188, 6352, 6749, 7072, 9464, 10322, 11116, 11492, 12376, 12704, 13498, 18928, 20111, 20644, 22232, 22984, 24752, 26996, 36127, 37856, 40222, 41288, 44464, 45968, 47243, 49504, 53992, 67093, 72254, 80444, 82576, 87737, 88928, 91936, 94486, 107984, 134186, 144508, 160888, 165152, 175474, 188972, 215968, 268372, 289016, 321776, 350948, 377944, 469651, 536744, 578032, 614159, 643552, 701896, 755888, 939302, 1073488, 1140581, 1156064, 1228318, 1403792, 1511776, 1878604, 2146976, 2281162, 2456636, 2807584, 3757208, 4562324, 4913272, 7514416, 7984067, 9124648, 9826544, 15028832, 15968134, 18249296, 19653088, 31936268, 36498592, 63872536, 127745072, 255490144]

約数ペア:

[(1, 255490144), (2, 127745072), (4, 63872536), (7, 36498592), (8, 31936268), (13, 19653088), (14, 18249296), (16, 15968134), (17, 15028832), (26, 9826544), (28, 9124648), (32, 7984067), (34, 7514416), (52, 4913272), (56, 4562324), (68, 3757208), (91, 2807584), (104, 2456636), (112, 2281162), (119, 2146976), (136, 1878604), (169, 1511776), (182, 1403792), (208, 1228318), (221, 1156064), (224, 1140581), (238, 1073488), (272, 939302), (338, 755888), (364, 701896), (397, 643552), (416, 614159), (442, 578032), (476, 536744), (544, 469651), (676, 377944), (728, 350948), (794, 321776), (884, 289016), (952, 268372), (1183, 215968), (1352, 188972), (1456, 175474), (1547, 165152), (1588, 160888), (1768, 144508), (1904, 134186), (2366, 107984), (2704, 94486), (2779, 91936), (2873, 88928), (2912, 87737), (3094, 82576), (3176, 80444), (3536, 72254), (3808, 67093), (4732, 53992), (5161, 49504), (5408, 47243), (5558, 45968), (5746, 44464), (6188, 41288), (6352, 40222), (6749, 37856), (7072, 36127), (9464, 26996), (10322, 24752), (11116, 22984), (11492, 22232), (12376, 20644), (12704, 20111), (13498, 18928)]