438185440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5081}}^1$

素因数の和:5121

約数の個数: 144

約数和(自身を含む): 1313961264

約数和(自身を除く): 875775824

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 3080, 3920, 4312, 5081, 5390, 6160, 7840, 8624, 10162, 10780, 12320, 17248, 20324, 21560, 25405, 35567, 40648, 43120, 50810, 55891, 71134, 81296, 86240, 101620, 111782, 142268, 162592, 177835, 203240, 223564, 248969, 279455, 284536, 355670, 391237, 406480, 447128, 497938, 558910, 569072, 711340, 782474, 812960, 894256, 995876, 1117820, 1138144, 1244845, 1422680, 1564948, 1788512, 1956185, 1991752, 2235640, 2489690, 2738659, 2845360, 3129896, 3912370, 3983504, 4471280, 4979380, 5477318, 5690720, 6259792, 7824740, 7967008, 8942560, 9958760, 10954636, 12519584, 13693295, 15649480, 19917520, 21909272, 27386590, 31298960, 39835040, 43818544, 54773180, 62597920, 87637088, 109546360, 219092720, 438185440]

約数ペア:

[(1, 438185440), (2, 219092720), (4, 109546360), (5, 87637088), (7, 62597920), (8, 54773180), (10, 43818544), (11, 39835040), (14, 31298960), (16, 27386590), (20, 21909272), (22, 19917520), (28, 15649480), (32, 13693295), (35, 12519584), (40, 10954636), (44, 9958760), (49, 8942560), (55, 7967008), (56, 7824740), (70, 6259792), (77, 5690720), (80, 5477318), (88, 4979380), (98, 4471280), (110, 3983504), (112, 3912370), (140, 3129896), (154, 2845360), (160, 2738659), (176, 2489690), (196, 2235640), (220, 1991752), (224, 1956185), (245, 1788512), (280, 1564948), (308, 1422680), (352, 1244845), (385, 1138144), (392, 1117820), (440, 995876), (490, 894256), (539, 812960), (560, 782474), (616, 711340), (770, 569072), (784, 558910), (880, 497938), (980, 447128), (1078, 406480), (1120, 391237), (1232, 355670), (1540, 284536), (1568, 279455), (1760, 248969), (1960, 223564), (2156, 203240), (2464, 177835), (2695, 162592), (3080, 142268), (3920, 111782), (4312, 101620), (5081, 86240), (5390, 81296), (6160, 71134), (7840, 55891), (8624, 50810), (10162, 43120), (10780, 40648), (12320, 35567), (17248, 25405), (20324, 21560)]