639122000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 240

約数和(自身を含む): 1800926400

約数和(自身を除く): 1161804400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 121, 125, 139, 152, 176, 190, 200, 209, 220, 242, 250, 275, 278, 304, 380, 400, 418, 440, 475, 484, 500, 550, 556, 605, 695, 760, 836, 880, 950, 968, 1000, 1045, 1100, 1112, 1210, 1375, 1390, 1520, 1529, 1672, 1900, 1936, 2000, 2090, 2200, 2224, 2299, 2375, 2420, 2641, 2750, 2780, 3025, 3058, 3344, 3475, 3800, 4180, 4400, 4598, 4750, 4840, 5225, 5282, 5500, 5560, 6050, 6116, 6950, 7600, 7645, 8360, 9196, 9500, 9680, 10450, 10564, 11000, 11120, 11495, 12100, 12232, 13205, 13900, 15125, 15290, 16720, 16819, 17375, 18392, 19000, 20900, 21128, 22000, 22990, 24200, 24464, 26125, 26410, 27800, 29051, 30250, 30580, 33638, 34750, 36784, 38000, 38225, 41800, 42256, 45980, 48400, 52250, 52820, 55600, 57475, 58102, 60500, 61160, 66025, 67276, 69500, 76450, 83600, 84095, 91960, 104500, 105640, 114950, 116204, 121000, 122320, 132050, 134552, 139000, 145255, 152900, 168190, 183920, 191125, 209000, 211280, 229900, 232408, 242000, 264100, 269104, 278000, 287375, 290510, 305800, 319561, 330125, 336380, 382250, 418000, 420475, 459800, 464816, 528200, 574750, 581020, 611600, 639122, 660250, 672760, 726275, 764500, 840950, 919600, 1056400, 1149500, 1162040, 1278244, 1320500, 1345520, 1452550, 1529000, 1597805, 1681900, 2102375, 2299000, 2324080, 2556488, 2641000, 2905100, 3058000, 3195610, 3363800, 3631375, 4204750, 4598000, 5112976, 5282000, 5810200, 6391220, 6727600, 7262750, 7989025, 8409500, 11620400, 12782440, 14525500, 15978050, 16819000, 25564880, 29051000, 31956100, 33638000, 39945125, 58102000, 63912200, 79890250, 127824400, 159780500, 319561000, 639122000]

約数ペア:

[(1, 639122000), (2, 319561000), (4, 159780500), (5, 127824400), (8, 79890250), (10, 63912200), (11, 58102000), (16, 39945125), (19, 33638000), (20, 31956100), (22, 29051000), (25, 25564880), (38, 16819000), (40, 15978050), (44, 14525500), (50, 12782440), (55, 11620400), (76, 8409500), (80, 7989025), (88, 7262750), (95, 6727600), (100, 6391220), (110, 5810200), (121, 5282000), (125, 5112976), (139, 4598000), (152, 4204750), (176, 3631375), (190, 3363800), (200, 3195610), (209, 3058000), (220, 2905100), (242, 2641000), (250, 2556488), (275, 2324080), (278, 2299000), (304, 2102375), (380, 1681900), (400, 1597805), (418, 1529000), (440, 1452550), (475, 1345520), (484, 1320500), (500, 1278244), (550, 1162040), (556, 1149500), (605, 1056400), (695, 919600), (760, 840950), (836, 764500), (880, 726275), (950, 672760), (968, 660250), (1000, 639122), (1045, 611600), (1100, 581020), (1112, 574750), (1210, 528200), (1375, 464816), (1390, 459800), (1520, 420475), (1529, 418000), (1672, 382250), (1900, 336380), (1936, 330125), (2000, 319561), (2090, 305800), (2200, 290510), (2224, 287375), (2299, 278000), (2375, 269104), (2420, 264100), (2641, 242000), (2750, 232408), (2780, 229900), (3025, 211280), (3058, 209000), (3344, 191125), (3475, 183920), (3800, 168190), (4180, 152900), (4400, 145255), (4598, 139000), (4750, 134552), (4840, 132050), (5225, 122320), (5282, 121000), (5500, 116204), (5560, 114950), (6050, 105640), (6116, 104500), (6950, 91960), (7600, 84095), (7645, 83600), (8360, 76450), (9196, 69500), (9500, 67276), (9680, 66025), (10450, 61160), (10564, 60500), (11000, 58102), (11120, 57475), (11495, 55600), (12100, 52820), (12232, 52250), (13205, 48400), (13900, 45980), (15125, 42256), (15290, 41800), (16720, 38225), (16819, 38000), (17375, 36784), (18392, 34750), (19000, 33638), (20900, 30580), (21128, 30250), (22000, 29051), (22990, 27800), (24200, 26410), (24464, 26125)]