634644400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 180

約数和(自身を含む): 1710057216

約数和(自身を除く): 1075412816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 127, 130, 155, 200, 208, 248, 254, 260, 310, 325, 400, 403, 496, 508, 520, 620, 635, 650, 775, 806, 961, 1016, 1040, 1240, 1270, 1300, 1550, 1612, 1651, 1922, 2015, 2032, 2480, 2540, 2600, 3100, 3175, 3224, 3302, 3844, 3937, 4030, 4805, 5080, 5200, 6200, 6350, 6448, 6604, 7688, 7874, 8060, 8255, 9610, 10075, 10160, 12400, 12493, 12700, 13208, 15376, 15748, 16120, 16510, 19220, 19685, 20150, 24025, 24986, 25400, 26416, 31496, 32240, 33020, 38440, 39370, 40300, 41275, 48050, 49972, 50800, 51181, 62465, 62992, 66040, 76880, 78740, 80600, 82550, 96100, 98425, 99944, 102362, 122047, 124930, 132080, 157480, 161200, 165100, 192200, 196850, 199888, 204724, 244094, 249860, 255905, 312325, 314960, 330200, 384400, 393700, 409448, 488188, 499720, 511810, 610235, 624650, 660400, 787400, 818896, 976376, 999440, 1023620, 1220470, 1249300, 1279525, 1574800, 1586611, 1952752, 2047240, 2440940, 2498600, 2559050, 3051175, 3173222, 4094480, 4881880, 4997200, 5118100, 6102350, 6346444, 7933055, 9763760, 10236200, 12204700, 12692888, 15866110, 20472400, 24409400, 25385776, 31732220, 39665275, 48818800, 63464440, 79330550, 126928880, 158661100, 317322200, 634644400]

約数ペア:

[(1, 634644400), (2, 317322200), (4, 158661100), (5, 126928880), (8, 79330550), (10, 63464440), (13, 48818800), (16, 39665275), (20, 31732220), (25, 25385776), (26, 24409400), (31, 20472400), (40, 15866110), (50, 12692888), (52, 12204700), (62, 10236200), (65, 9763760), (80, 7933055), (100, 6346444), (104, 6102350), (124, 5118100), (127, 4997200), (130, 4881880), (155, 4094480), (200, 3173222), (208, 3051175), (248, 2559050), (254, 2498600), (260, 2440940), (310, 2047240), (325, 1952752), (400, 1586611), (403, 1574800), (496, 1279525), (508, 1249300), (520, 1220470), (620, 1023620), (635, 999440), (650, 976376), (775, 818896), (806, 787400), (961, 660400), (1016, 624650), (1040, 610235), (1240, 511810), (1270, 499720), (1300, 488188), (1550, 409448), (1612, 393700), (1651, 384400), (1922, 330200), (2015, 314960), (2032, 312325), (2480, 255905), (2540, 249860), (2600, 244094), (3100, 204724), (3175, 199888), (3224, 196850), (3302, 192200), (3844, 165100), (3937, 161200), (4030, 157480), (4805, 132080), (5080, 124930), (5200, 122047), (6200, 102362), (6350, 99944), (6448, 98425), (6604, 96100), (7688, 82550), (7874, 80600), (8060, 78740), (8255, 76880), (9610, 66040), (10075, 62992), (10160, 62465), (12400, 51181), (12493, 50800), (12700, 49972), (13208, 48050), (15376, 41275), (15748, 40300), (16120, 39370), (16510, 38440), (19220, 33020), (19685, 32240), (20150, 31496), (24025, 26416), (24986, 25400)]