397164560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 1045266432

約数和(自身を除く): 648101872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 97, 104, 124, 127, 130, 155, 194, 208, 248, 254, 260, 310, 388, 403, 485, 496, 508, 520, 620, 635, 776, 806, 970, 1016, 1040, 1240, 1261, 1270, 1552, 1612, 1651, 1940, 2015, 2032, 2480, 2522, 2540, 3007, 3224, 3302, 3880, 3937, 4030, 5044, 5080, 6014, 6305, 6448, 6604, 7760, 7874, 8060, 8255, 10088, 10160, 12028, 12319, 12610, 13208, 15035, 15748, 16120, 16510, 19685, 20176, 24056, 24638, 25220, 26416, 30070, 31496, 32240, 33020, 39091, 39370, 48112, 49276, 50440, 51181, 60140, 61595, 62992, 66040, 78182, 78740, 98552, 100880, 102362, 120280, 123190, 132080, 156364, 157480, 160147, 195455, 197104, 204724, 240560, 246380, 255905, 312728, 314960, 320294, 381889, 390910, 409448, 492760, 511810, 625456, 640588, 763778, 781820, 800735, 818896, 985520, 1023620, 1281176, 1527556, 1563640, 1601470, 1909445, 2047240, 2562352, 3055112, 3127280, 3202940, 3818890, 4094480, 4964557, 6110224, 6405880, 7637780, 9929114, 12811760, 15275560, 19858228, 24822785, 30551120, 39716456, 49645570, 79432912, 99291140, 198582280, 397164560]

約数ペア:

[(1, 397164560), (2, 198582280), (4, 99291140), (5, 79432912), (8, 49645570), (10, 39716456), (13, 30551120), (16, 24822785), (20, 19858228), (26, 15275560), (31, 12811760), (40, 9929114), (52, 7637780), (62, 6405880), (65, 6110224), (80, 4964557), (97, 4094480), (104, 3818890), (124, 3202940), (127, 3127280), (130, 3055112), (155, 2562352), (194, 2047240), (208, 1909445), (248, 1601470), (254, 1563640), (260, 1527556), (310, 1281176), (388, 1023620), (403, 985520), (485, 818896), (496, 800735), (508, 781820), (520, 763778), (620, 640588), (635, 625456), (776, 511810), (806, 492760), (970, 409448), (1016, 390910), (1040, 381889), (1240, 320294), (1261, 314960), (1270, 312728), (1552, 255905), (1612, 246380), (1651, 240560), (1940, 204724), (2015, 197104), (2032, 195455), (2480, 160147), (2522, 157480), (2540, 156364), (3007, 132080), (3224, 123190), (3302, 120280), (3880, 102362), (3937, 100880), (4030, 98552), (5044, 78740), (5080, 78182), (6014, 66040), (6305, 62992), (6448, 61595), (6604, 60140), (7760, 51181), (7874, 50440), (8060, 49276), (8255, 48112), (10088, 39370), (10160, 39091), (12028, 33020), (12319, 32240), (12610, 31496), (13208, 30070), (15035, 26416), (15748, 25220), (16120, 24638), (16510, 24056), (19685, 20176)]