78838900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 108

約数和(自身を含む): 203396704

約数和(自身を除く): 124557804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 67, 70, 82, 100, 134, 140, 164, 175, 205, 268, 287, 335, 350, 410, 469, 574, 670, 700, 820, 938, 1025, 1148, 1340, 1435, 1675, 1681, 1876, 2050, 2345, 2747, 2870, 3350, 3362, 4100, 4690, 5494, 5740, 6700, 6724, 7175, 8405, 9380, 10988, 11725, 11767, 13735, 14350, 16810, 19229, 23450, 23534, 27470, 28700, 33620, 38458, 42025, 46900, 47068, 54940, 58835, 68675, 76916, 84050, 96145, 112627, 117670, 137350, 168100, 192290, 225254, 235340, 274700, 294175, 384580, 450508, 480725, 563135, 588350, 788389, 961450, 1126270, 1176700, 1576778, 1922900, 2252540, 2815675, 3153556, 3941945, 5631350, 7883890, 11262700, 15767780, 19709725, 39419450, 78838900]

約数ペア:

[(1, 78838900), (2, 39419450), (4, 19709725), (5, 15767780), (7, 11262700), (10, 7883890), (14, 5631350), (20, 3941945), (25, 3153556), (28, 2815675), (35, 2252540), (41, 1922900), (50, 1576778), (67, 1176700), (70, 1126270), (82, 961450), (100, 788389), (134, 588350), (140, 563135), (164, 480725), (175, 450508), (205, 384580), (268, 294175), (287, 274700), (335, 235340), (350, 225254), (410, 192290), (469, 168100), (574, 137350), (670, 117670), (700, 112627), (820, 96145), (938, 84050), (1025, 76916), (1148, 68675), (1340, 58835), (1435, 54940), (1675, 47068), (1681, 46900), (1876, 42025), (2050, 38458), (2345, 33620), (2747, 28700), (2870, 27470), (3350, 23534), (3362, 23450), (4100, 19229), (4690, 16810), (5494, 14350), (5740, 13735), (6700, 11767), (6724, 11725), (7175, 10988), (8405, 9380)]