139683880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 375379200

約数和(自身を除く): 235695320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 97, 139, 140, 148, 185, 194, 259, 278, 280, 296, 370, 388, 485, 518, 556, 679, 695, 740, 776, 970, 973, 1036, 1112, 1295, 1358, 1390, 1480, 1940, 1946, 2072, 2590, 2716, 2780, 3395, 3589, 3880, 3892, 4865, 5143, 5180, 5432, 5560, 6790, 7178, 7784, 9730, 10286, 10360, 13483, 13580, 14356, 17945, 19460, 20572, 25123, 25715, 26966, 27160, 28712, 35890, 36001, 38920, 41144, 50246, 51430, 53932, 67415, 71780, 72002, 94381, 100492, 102860, 107864, 125615, 134830, 143560, 144004, 180005, 188762, 200984, 205720, 251230, 269660, 288008, 360010, 377524, 471905, 498871, 502460, 539320, 720020, 755048, 943810, 997742, 1004920, 1440040, 1887620, 1995484, 2494355, 3492097, 3775240, 3990968, 4988710, 6984194, 9977420, 13968388, 17460485, 19954840, 27936776, 34920970, 69841940, 139683880]

約数ペア:

[(1, 139683880), (2, 69841940), (4, 34920970), (5, 27936776), (7, 19954840), (8, 17460485), (10, 13968388), (14, 9977420), (20, 6984194), (28, 4988710), (35, 3990968), (37, 3775240), (40, 3492097), (56, 2494355), (70, 1995484), (74, 1887620), (97, 1440040), (139, 1004920), (140, 997742), (148, 943810), (185, 755048), (194, 720020), (259, 539320), (278, 502460), (280, 498871), (296, 471905), (370, 377524), (388, 360010), (485, 288008), (518, 269660), (556, 251230), (679, 205720), (695, 200984), (740, 188762), (776, 180005), (970, 144004), (973, 143560), (1036, 134830), (1112, 125615), (1295, 107864), (1358, 102860), (1390, 100492), (1480, 94381), (1940, 72002), (1946, 71780), (2072, 67415), (2590, 53932), (2716, 51430), (2780, 50246), (3395, 41144), (3589, 38920), (3880, 36001), (3892, 35890), (4865, 28712), (5143, 27160), (5180, 26966), (5432, 25715), (5560, 25123), (6790, 20572), (7178, 19460), (7784, 17945), (9730, 14356), (10286, 13580), (10360, 13483)]