140049728

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:344

約数の個数: 112

約数和(自身を含む): 346496640

約数和(自身を除く): 206446912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 139, 173, 182, 208, 224, 278, 346, 364, 416, 448, 556, 692, 728, 832, 973, 1112, 1211, 1384, 1456, 1807, 1946, 2224, 2249, 2422, 2768, 2912, 3614, 3892, 4448, 4498, 4844, 5536, 5824, 7228, 7784, 8896, 8996, 9688, 11072, 12649, 14456, 15568, 15743, 17992, 19376, 24047, 25298, 28912, 31136, 31486, 35984, 38752, 48094, 50596, 57824, 62272, 62972, 71968, 77504, 96188, 101192, 115648, 125944, 143936, 168329, 192376, 202384, 251888, 312611, 336658, 384752, 404768, 503776, 625222, 673316, 769504, 809536, 1007552, 1250444, 1346632, 1539008, 2188277, 2500888, 2693264, 4376554, 5001776, 5386528, 8753108, 10003552, 10773056, 17506216, 20007104, 35012432, 70024864, 140049728]

約数ペア:

[(1, 140049728), (2, 70024864), (4, 35012432), (7, 20007104), (8, 17506216), (13, 10773056), (14, 10003552), (16, 8753108), (26, 5386528), (28, 5001776), (32, 4376554), (52, 2693264), (56, 2500888), (64, 2188277), (91, 1539008), (104, 1346632), (112, 1250444), (139, 1007552), (173, 809536), (182, 769504), (208, 673316), (224, 625222), (278, 503776), (346, 404768), (364, 384752), (416, 336658), (448, 312611), (556, 251888), (692, 202384), (728, 192376), (832, 168329), (973, 143936), (1112, 125944), (1211, 115648), (1384, 101192), (1456, 96188), (1807, 77504), (1946, 71968), (2224, 62972), (2249, 62272), (2422, 57824), (2768, 50596), (2912, 48094), (3614, 38752), (3892, 35984), (4448, 31486), (4498, 31136), (4844, 28912), (5536, 25298), (5824, 24047), (7228, 19376), (7784, 17992), (8896, 15743), (8996, 15568), (9688, 14456), (11072, 12649)]