280592752

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 632530944

約数和(自身を除く): 351938192

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 191, 272, 374, 382, 491, 748, 764, 982, 1496, 1528, 1964, 2101, 2992, 3056, 3247, 3928, 4202, 5401, 6494, 7856, 8347, 8404, 10802, 12988, 16694, 16808, 21604, 25976, 33388, 33616, 35717, 43208, 51952, 66776, 71434, 86416, 91817, 93781, 133552, 142868, 183634, 187562, 285736, 367268, 375124, 571472, 734536, 750248, 1031591, 1469072, 1500496, 1594277, 2063182, 3188554, 4126364, 6377108, 8252728, 12754216, 16505456, 17537047, 25508432, 35074094, 70148188, 140296376, 280592752]

約数ペア:

[(1, 280592752), (2, 140296376), (4, 70148188), (8, 35074094), (11, 25508432), (16, 17537047), (17, 16505456), (22, 12754216), (34, 8252728), (44, 6377108), (68, 4126364), (88, 3188554), (136, 2063182), (176, 1594277), (187, 1500496), (191, 1469072), (272, 1031591), (374, 750248), (382, 734536), (491, 571472), (748, 375124), (764, 367268), (982, 285736), (1496, 187562), (1528, 183634), (1964, 142868), (2101, 133552), (2992, 93781), (3056, 91817), (3247, 86416), (3928, 71434), (4202, 66776), (5401, 51952), (6494, 43208), (7856, 35717), (8347, 33616), (8404, 33388), (10802, 25976), (12988, 21604), (16694, 16808)]