1799596540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1140

約数の個数: 144

約数和(自身を含む): 4702199040

約数和(自身を除く): 2902602500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 109, 119, 140, 170, 196, 218, 238, 245, 340, 436, 476, 490, 545, 595, 763, 833, 980, 991, 1090, 1190, 1526, 1666, 1853, 1982, 2180, 2380, 3052, 3332, 3706, 3815, 3964, 4165, 4955, 5341, 6937, 7412, 7630, 8330, 9265, 9910, 10682, 12971, 13874, 15260, 16660, 16847, 18530, 19820, 21364, 25942, 26705, 27748, 33694, 34685, 37060, 48559, 51884, 53410, 64855, 67388, 69370, 84235, 90797, 97118, 106820, 108019, 117929, 129710, 138740, 168470, 181594, 194236, 216038, 235858, 242795, 259420, 336940, 363188, 432076, 453985, 471716, 485590, 540095, 589645, 756133, 825503, 907970, 971180, 1080190, 1179290, 1512266, 1651006, 1815940, 1836323, 2160380, 2358580, 3024532, 3302012, 3672646, 3780665, 4127515, 5292931, 7345292, 7561330, 8255030, 9181615, 10585862, 12854261, 15122660, 16510060, 18363230, 21171724, 25708522, 26464655, 36726460, 51417044, 52929310, 64271305, 89979827, 105858620, 128542610, 179959654, 257085220, 359919308, 449899135, 899798270, 1799596540]

約数ペア:

[(1, 1799596540), (2, 899798270), (4, 449899135), (5, 359919308), (7, 257085220), (10, 179959654), (14, 128542610), (17, 105858620), (20, 89979827), (28, 64271305), (34, 52929310), (35, 51417044), (49, 36726460), (68, 26464655), (70, 25708522), (85, 21171724), (98, 18363230), (109, 16510060), (119, 15122660), (140, 12854261), (170, 10585862), (196, 9181615), (218, 8255030), (238, 7561330), (245, 7345292), (340, 5292931), (436, 4127515), (476, 3780665), (490, 3672646), (545, 3302012), (595, 3024532), (763, 2358580), (833, 2160380), (980, 1836323), (991, 1815940), (1090, 1651006), (1190, 1512266), (1526, 1179290), (1666, 1080190), (1853, 971180), (1982, 907970), (2180, 825503), (2380, 756133), (3052, 589645), (3332, 540095), (3706, 485590), (3815, 471716), (3964, 453985), (4165, 432076), (4955, 363188), (5341, 336940), (6937, 259420), (7412, 242795), (7630, 235858), (8330, 216038), (9265, 194236), (9910, 181594), (10682, 168470), (12971, 138740), (13874, 129710), (15260, 117929), (16660, 108019), (16847, 106820), (18530, 97118), (19820, 90797), (21364, 84235), (25942, 69370), (26705, 67388), (27748, 64855), (33694, 53410), (34685, 51884), (37060, 48559)]