140123872

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6449}}^1$

素因数の和:6563

約数の個数: 48

約数和(自身を含む): 318578400

約数和(自身を除く): 178454528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 1358, 1552, 2716, 3104, 5432, 6449, 10864, 12898, 21728, 25796, 45143, 51592, 90286, 103184, 180572, 206368, 361144, 625553, 722288, 1251106, 1444576, 2502212, 4378871, 5004424, 8757742, 10008848, 17515484, 20017696, 35030968, 70061936, 140123872]

約数ペア:

[(1, 140123872), (2, 70061936), (4, 35030968), (7, 20017696), (8, 17515484), (14, 10008848), (16, 8757742), (28, 5004424), (32, 4378871), (56, 2502212), (97, 1444576), (112, 1251106), (194, 722288), (224, 625553), (388, 361144), (679, 206368), (776, 180572), (1358, 103184), (1552, 90286), (2716, 51592), (3104, 45143), (5432, 25796), (6449, 21728), (10864, 12898)]