51194780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1275

約数の個数: 96

約数和(自身を含む): 138184704

約数和(自身を除く): 86989924

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1223, 1495, 1610, 1820, 2093, 2446, 2990, 3220, 4186, 4892, 5980, 6115, 8372, 8561, 10465, 12230, 15899, 17122, 20930, 24460, 28129, 31798, 34244, 41860, 42805, 56258, 63596, 79495, 85610, 111293, 112516, 140645, 158990, 171220, 196903, 222586, 281290, 317980, 365677, 393806, 445172, 556465, 562580, 731354, 787612, 984515, 1112930, 1462708, 1828385, 1969030, 2225860, 2559739, 3656770, 3938060, 5119478, 7313540, 10238956, 12798695, 25597390, 51194780]

約数ペア:

[(1, 51194780), (2, 25597390), (4, 12798695), (5, 10238956), (7, 7313540), (10, 5119478), (13, 3938060), (14, 3656770), (20, 2559739), (23, 2225860), (26, 1969030), (28, 1828385), (35, 1462708), (46, 1112930), (52, 984515), (65, 787612), (70, 731354), (91, 562580), (92, 556465), (115, 445172), (130, 393806), (140, 365677), (161, 317980), (182, 281290), (230, 222586), (260, 196903), (299, 171220), (322, 158990), (364, 140645), (455, 112516), (460, 111293), (598, 85610), (644, 79495), (805, 63596), (910, 56258), (1196, 42805), (1223, 41860), (1495, 34244), (1610, 31798), (1820, 28129), (2093, 24460), (2446, 20930), (2990, 17122), (3220, 15899), (4186, 12230), (4892, 10465), (5980, 8561), (6115, 8372)]