268806580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 671311872

約数和(自身を除く): 402505292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 241, 257, 310, 434, 482, 514, 620, 868, 964, 1028, 1085, 1205, 1285, 1687, 1799, 2170, 2410, 2570, 3374, 3598, 4340, 4820, 5140, 6748, 7196, 7471, 7967, 8435, 8995, 14942, 15934, 16870, 17990, 29884, 31868, 33740, 35980, 37355, 39835, 52297, 55769, 61937, 74710, 79670, 104594, 111538, 123874, 149420, 159340, 209188, 223076, 247748, 261485, 278845, 309685, 433559, 522970, 557690, 619370, 867118, 1045940, 1115380, 1238740, 1734236, 1920047, 2167795, 3840094, 4335590, 7680188, 8671180, 9600235, 13440329, 19200470, 26880658, 38400940, 53761316, 67201645, 134403290, 268806580]

約数ペア:

[(1, 268806580), (2, 134403290), (4, 67201645), (5, 53761316), (7, 38400940), (10, 26880658), (14, 19200470), (20, 13440329), (28, 9600235), (31, 8671180), (35, 7680188), (62, 4335590), (70, 3840094), (124, 2167795), (140, 1920047), (155, 1734236), (217, 1238740), (241, 1115380), (257, 1045940), (310, 867118), (434, 619370), (482, 557690), (514, 522970), (620, 433559), (868, 309685), (964, 278845), (1028, 261485), (1085, 247748), (1205, 223076), (1285, 209188), (1687, 159340), (1799, 149420), (2170, 123874), (2410, 111538), (2570, 104594), (3374, 79670), (3598, 74710), (4340, 61937), (4820, 55769), (5140, 52297), (6748, 39835), (7196, 37355), (7471, 35980), (7967, 33740), (8435, 31868), (8995, 29884), (14942, 17990), (15934, 16870)]