140615728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 308551680

約数和(自身を除く): 167935952

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 89, 94, 176, 178, 188, 191, 356, 376, 382, 517, 712, 752, 764, 979, 1034, 1424, 1528, 1958, 2068, 2101, 3056, 3916, 4136, 4183, 4202, 7832, 8272, 8366, 8404, 8977, 15664, 16732, 16808, 16999, 17954, 33464, 33616, 33998, 35908, 46013, 66928, 67996, 71816, 92026, 98747, 135992, 143632, 184052, 186989, 197494, 271984, 368104, 373978, 394988, 736208, 747956, 789976, 798953, 1495912, 1579952, 1597906, 2991824, 3195812, 6391624, 8788483, 12783248, 17576966, 35153932, 70307864, 140615728]

約数ペア:

[(1, 140615728), (2, 70307864), (4, 35153932), (8, 17576966), (11, 12783248), (16, 8788483), (22, 6391624), (44, 3195812), (47, 2991824), (88, 1597906), (89, 1579952), (94, 1495912), (176, 798953), (178, 789976), (188, 747956), (191, 736208), (356, 394988), (376, 373978), (382, 368104), (517, 271984), (712, 197494), (752, 186989), (764, 184052), (979, 143632), (1034, 135992), (1424, 98747), (1528, 92026), (1958, 71816), (2068, 67996), (2101, 66928), (3056, 46013), (3916, 35908), (4136, 33998), (4183, 33616), (4202, 33464), (7832, 17954), (8272, 16999), (8366, 16808), (8404, 16732), (8977, 15664)]