388689972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 1099187712

約数和(自身を除く): 710497740

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 23, 33, 34, 44, 46, 51, 66, 68, 69, 92, 102, 132, 138, 187, 204, 253, 276, 289, 374, 391, 443, 506, 561, 578, 748, 759, 782, 867, 886, 1012, 1122, 1156, 1173, 1329, 1518, 1564, 1734, 1772, 2244, 2346, 2658, 3036, 3179, 3468, 4301, 4692, 4873, 5316, 6358, 6647, 7531, 8602, 9537, 9746, 10189, 12716, 12903, 13294, 14619, 15062, 17204, 19074, 19492, 19941, 20378, 22593, 25806, 26588, 29238, 30124, 30567, 38148, 39882, 40756, 45186, 51612, 58476, 61134, 73117, 79764, 82841, 90372, 112079, 122268, 128027, 146234, 165682, 173213, 219351, 224158, 248523, 256054, 292468, 331364, 336237, 346426, 384081, 438702, 448316, 497046, 512108, 519639, 672474, 692852, 768162, 877404, 994092, 1039278, 1344948, 1408297, 1536324, 1905343, 2078556, 2816594, 2944621, 3810686, 4224891, 5633188, 5716029, 5889242, 7621372, 8449782, 8833863, 11432058, 11778484, 16899564, 17667726, 22864116, 32390831, 35335452, 64781662, 97172493, 129563324, 194344986, 388689972]

約数ペア:

[(1, 388689972), (2, 194344986), (3, 129563324), (4, 97172493), (6, 64781662), (11, 35335452), (12, 32390831), (17, 22864116), (22, 17667726), (23, 16899564), (33, 11778484), (34, 11432058), (44, 8833863), (46, 8449782), (51, 7621372), (66, 5889242), (68, 5716029), (69, 5633188), (92, 4224891), (102, 3810686), (132, 2944621), (138, 2816594), (187, 2078556), (204, 1905343), (253, 1536324), (276, 1408297), (289, 1344948), (374, 1039278), (391, 994092), (443, 877404), (506, 768162), (561, 692852), (578, 672474), (748, 519639), (759, 512108), (782, 497046), (867, 448316), (886, 438702), (1012, 384081), (1122, 346426), (1156, 336237), (1173, 331364), (1329, 292468), (1518, 256054), (1564, 248523), (1734, 224158), (1772, 219351), (2244, 173213), (2346, 165682), (2658, 146234), (3036, 128027), (3179, 122268), (3468, 112079), (4301, 90372), (4692, 82841), (4873, 79764), (5316, 73117), (6358, 61134), (6647, 58476), (7531, 51612), (8602, 45186), (9537, 40756), (9746, 39882), (10189, 38148), (12716, 30567), (12903, 30124), (13294, 29238), (14619, 26588), (15062, 25806), (17204, 22593), (19074, 20378), (19492, 19941)]