198582280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 505774080

約数和(自身を除く): 307191800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 97, 104, 124, 127, 130, 155, 194, 248, 254, 260, 310, 388, 403, 485, 508, 520, 620, 635, 776, 806, 970, 1016, 1240, 1261, 1270, 1612, 1651, 1940, 2015, 2522, 2540, 3007, 3224, 3302, 3880, 3937, 4030, 5044, 5080, 6014, 6305, 6604, 7874, 8060, 8255, 10088, 12028, 12319, 12610, 13208, 15035, 15748, 16120, 16510, 19685, 24056, 24638, 25220, 30070, 31496, 33020, 39091, 39370, 49276, 50440, 51181, 60140, 61595, 66040, 78182, 78740, 98552, 102362, 120280, 123190, 156364, 157480, 160147, 195455, 204724, 246380, 255905, 312728, 320294, 381889, 390910, 409448, 492760, 511810, 640588, 763778, 781820, 800735, 1023620, 1281176, 1527556, 1563640, 1601470, 1909445, 2047240, 3055112, 3202940, 3818890, 4964557, 6405880, 7637780, 9929114, 15275560, 19858228, 24822785, 39716456, 49645570, 99291140, 198582280]

約数ペア:

[(1, 198582280), (2, 99291140), (4, 49645570), (5, 39716456), (8, 24822785), (10, 19858228), (13, 15275560), (20, 9929114), (26, 7637780), (31, 6405880), (40, 4964557), (52, 3818890), (62, 3202940), (65, 3055112), (97, 2047240), (104, 1909445), (124, 1601470), (127, 1563640), (130, 1527556), (155, 1281176), (194, 1023620), (248, 800735), (254, 781820), (260, 763778), (310, 640588), (388, 511810), (403, 492760), (485, 409448), (508, 390910), (520, 381889), (620, 320294), (635, 312728), (776, 255905), (806, 246380), (970, 204724), (1016, 195455), (1240, 160147), (1261, 157480), (1270, 156364), (1612, 123190), (1651, 120280), (1940, 102362), (2015, 98552), (2522, 78740), (2540, 78182), (3007, 66040), (3224, 61595), (3302, 60140), (3880, 51181), (3937, 50440), (4030, 49276), (5044, 39370), (5080, 39091), (6014, 33020), (6305, 31496), (6604, 30070), (7874, 25220), (8060, 24638), (8255, 24056), (10088, 19685), (12028, 16510), (12319, 16120), (12610, 15748), (13208, 15035)]