2019790780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1164

約数の個数: 144

約数和(自身を含む): 5167937376

約数和(自身を除く): 3148146596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 53, 70, 74, 98, 106, 140, 148, 185, 196, 212, 245, 259, 265, 370, 371, 490, 518, 530, 740, 742, 980, 1036, 1051, 1060, 1295, 1484, 1813, 1855, 1961, 2102, 2590, 2597, 3626, 3710, 3922, 4204, 5180, 5194, 5255, 7252, 7357, 7420, 7844, 9065, 9805, 10388, 10510, 12985, 13727, 14714, 18130, 19610, 21020, 25970, 27454, 29428, 36260, 36785, 38887, 39220, 51499, 51940, 54908, 55703, 68635, 73570, 77774, 96089, 102998, 111406, 137270, 147140, 155548, 192178, 194435, 205996, 222812, 257495, 272209, 274540, 278515, 384356, 388870, 389921, 480445, 514990, 544418, 557030, 777740, 779842, 960890, 1029980, 1088836, 1114060, 1361045, 1559684, 1905463, 1921780, 1949605, 2061011, 2722090, 2729447, 3810926, 3899210, 4122022, 5444180, 5458894, 7621852, 7798420, 8244044, 9527315, 10305055, 10917788, 13647235, 14427077, 19054630, 20610110, 27294470, 28854154, 38109260, 41220220, 54588940, 57708308, 72135385, 100989539, 144270770, 201979078, 288541540, 403958156, 504947695, 1009895390, 2019790780]

約数ペア:

[(1, 2019790780), (2, 1009895390), (4, 504947695), (5, 403958156), (7, 288541540), (10, 201979078), (14, 144270770), (20, 100989539), (28, 72135385), (35, 57708308), (37, 54588940), (49, 41220220), (53, 38109260), (70, 28854154), (74, 27294470), (98, 20610110), (106, 19054630), (140, 14427077), (148, 13647235), (185, 10917788), (196, 10305055), (212, 9527315), (245, 8244044), (259, 7798420), (265, 7621852), (370, 5458894), (371, 5444180), (490, 4122022), (518, 3899210), (530, 3810926), (740, 2729447), (742, 2722090), (980, 2061011), (1036, 1949605), (1051, 1921780), (1060, 1905463), (1295, 1559684), (1484, 1361045), (1813, 1114060), (1855, 1088836), (1961, 1029980), (2102, 960890), (2590, 779842), (2597, 777740), (3626, 557030), (3710, 544418), (3922, 514990), (4204, 480445), (5180, 389921), (5194, 388870), (5255, 384356), (7252, 278515), (7357, 274540), (7420, 272209), (7844, 257495), (9065, 222812), (9805, 205996), (10388, 194435), (10510, 192178), (12985, 155548), (13727, 147140), (14714, 137270), (18130, 111406), (19610, 102998), (21020, 96089), (25970, 77774), (27454, 73570), (29428, 68635), (36260, 55703), (36785, 54908), (38887, 51940), (39220, 51499)]